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- Machine design / Machinery industry / Mechanical engineering
- Machinery, between 96 & 97
- Machine Shop 189-190
- Mackey Proposes, Source: Ledger, January 5
- Mackey Requests Water Conference, Wants State Board's Views on Program to End Pollution of Rivers, Source: Inquirer, April 2
- Mackey Reviews 18 Months of Work on City Projects, Says Water Works Are in Best Condition-Points to Low Death Rate, Source: Bulletin, June 24
- Main Break Causes Flood, Cellars on Germantown Ave. and Berkley St. Filled, Source: Bulletin, August 25
- Main Break Coats Street, Downtown Sidewalks and Trolley Tracks Covered With Ice, Source: Bulletin, January 3
- Main Break Floods Area in Northeast, Source: Bulletin, January 1
- Main Break Floods Broad St. Houses, Water Two Inches Deep in Some Cellars Between Somerset St. and Glenwood Ave., Workmen Rush Repairs, Source: Bulletin, August 28
- Main Break Floods Broad St. Subway, Source: Bulletin, March 10, 2004
- Main Break Floods Homes, Families Aroused When Hole is Torn in Wharton St. Near 15th, Source: Bulletin, June 8
- Main Break Floods Tracks, Rails in Reading Subway from 15th to 17th St. Inundated, Source: Bulletin, March 14
- Main Break in Kensington, Water Spouts in Air, Tears Hole in Street and Delays Trolleys, Source: Bulletin, December 4
- Main Break in West Phila. Cuts Off Water in Homes, Six-Inch Pipe Bursts Near Wynnewood Road and Media St., Source: Bulletin, March 13
- Main Break Perils Traffic, Source: Ledger, December 9
- Main Breaks, 300 Homes Lack Water, Without Supply for Hours and Streets in Northeast Section Are Flooded, Truck Sinks Up to Hubs, Source: Ledger, July 10
- Main Breaks, Flooding Homes on S. Phila. Sts., Residents of Federal and Bucknell Are Victims of Geyser, Source: Ledger, January 8
- Main Burst Floods West Phila. Block, Paving at 52nd and Locust Sts. Wrenched Away as Repairmen Fight Flow, Source: Ledger, June 5
- Main Leak Causes Cave-in, Paving Between Tracks Undermined at 2nd and Reed Streets, Source: Ledger, April 17
- Mains laid 101- 109
- Mains Laid 136
- Maintenance 16-17
- Malignant Fever
- Malignant Fever, Philadelphia
- Management 31
- Manayunk Canal, Schuylkill River, Schuylkill Navigation
- Manayunk Mill Closed by Flooded Schuylkill, 6 Ft. 2 Ins. Over Flat Rock Dam-Now Falling-Think Danger Past, Source: Bulletin, February 26
- Manayunk Mill Owners Move For More Water, Delegation Tells Mayor Present Supply is Inadequate for Serious Fire, Source: Inquirer, August 26
- Manayunk Mill Owners Seek Flood Protection, Meet State Water Commission and Ask Preventive for Schuylkill Inundation, Source: Inquirer, December 16
- Manayunk Mills Closed by Floods, Phila. Electric Power Plant Forced to Shut by Rising of Schuylkill, Peak Reached by Waters, Source: Ledger, February 26
- Man Break Floods Broad and Girard, Water Shoots 20 Feet, Then Flows Into Cellars; Thousands of Dollars Damage, 300 Work at Hasty Repair, Source: Ledger, November 15
- Map attached to above article, title: Source of New Water Supply, caption: The above drawing shows the basin to be formed by the Perkiomen and Tohickon Creeks…Location of the Torresdale station, from where the Delaware water will be distributed, is also shown, Source: Inquirer, May 24
- Map attached to the above article, title: Hall's Plan for City Water Supply, caption:…shows the three stages by which the system of immense aqueducts would be installed to catch the watersheds of three valleys and bring them down to the city…total project would cost $135,000,000…, Source not known, [?] 25, 1923
- Map Shows How Various Water Plans Would Supply City, Source: Bulletin, September 17
- Map title: Available Water Sources for City, caption: …Perkiomen, Tohickon, and Neshaminy Creeks would take care of the supply for years to come, source: Bulletin, January 17
- Map title: City Water Supply Plan, caption: The City Water Commission, in a supplementary report made yesterday to Mayor Kendrick repeated its recommendation for the Perkiomen-Tohickon-Delaware project. The dotted line in the map indicates the proposed aqueduct from the Perkiomen area to the Roslyn reservoir…, Source not known
- Map title: Map of Philadelphia's Water System, caption: Location of the various pumping stations, filtration plants, reserve and distribution areas in plan declared by Mayor to be inadequate, source: Bulletin, January 15, 1923
- Map title: Project Urged by Commission, caption: The map reproduced herewith reveals the extensive scope of the City Water Commission's plans for a city supply for the next fifty years…shows the upper Delaware and upper Lehigh watershed…, Source: Inquirer, September 19
- Map title: Water Supply Plans From Bird's-Eye View, caption: The conflicting plans for an improved water supply for the city are shown at a glance in the above diagram…The scored lines bound the plan advocated by Fred C. Dunlap, former Chief of the Bureau of Water, of this city, and reveal the upper Delaware river and the Neshaminy watershed as the sources of supply, Source: Inquirer, May 31, 1924
- Marine engineers - United States - Biography
- Markets.
- Market St. Roped Off Following Main Break, North Side East of 9th St. Closed on Account of Cave-in, Source: Ledger, July 9
- Market St. Water Main Break Hampers Traffic, Paving Bulges Between 12th and 13th Sts.-Section Roped Off, Source: Record, October 26
- Masonry
- Materials testing / Metals testing
- May Again Head City Water Bureau, Mackey Wants Dunlap Named as Water Chief, Expert Ousted by Kendrick May Get Temporary Appointment, Pension Eligibility Issue, Source: Record, January 7, 1928
- May Blow Lid Off The Water Mess, Ledoux Report, Scoring Administration, to Be Considered by Councilmen Today, Stirring Up The Mayor, Demand Light on Firing of Engineers-Biles Explains the Discharges, Source: Record, March 16
- May Give Up New Water Source Now, City Hall Hears Rumor Mayor Will Recommend Improvement at Torresdale for the Present, Study Plans Further, Source: Bulletin, December 24
- May Kill Pollution Bill in Committee, Ladner Sure Pure Streams Measure Would be Passed if Reported Out, Manufacturers Rap Plan, Source not known
- May Lay Dead Fish Plague to Factory, Say State's Delaware Pollution Probe Will Show Industrial Waste or Sewage to Blame, Oil, Scum a Coincidence, Source: Bulletin, July 2
- Mayor Advises Further Delay in Water Plan, Virtual Shelving of Gigantic System of Supply is Urged Upon Council, Kendrick Personally Reviews Accomplishments and Tells of Aims; League Island Site Favored for Stadium, Source: Record, December 31
- Mayor Again Urges Water Works Plan, Would Take Over Private Companies to Relieve Northeast Shortage, Source: North American, December 19
- Mayor and Biles to Make Murdoch Fight Own Battle, Water Chief, Now Under Fire, Got Glory Aplenty for His "Economy." Cut Payroll $200,000, Department of Supplies in Position to Prove Soft Coal Not Cause of Breakdown, Dunlap Raps Management, Blames Failure of Water System on Negligence, Incompetence and Gross Stupidity, Source: Record, March 3
- Mayor and Experts to Discuss Water, Conference Today Will Be With Four City Officials on All Plans Offered, Meeting With Councilmen on Supply for Philadelphia Put Off Till Next Week, Source: Inquirer, October 31
- Mayor and Hall Reveal Big Plans, Tell of Great City Projects at New year Reception in City Hall, Mrs. Kendrick Speaks, Enormous Crowd Files in and Out of Mayor's Office to Greet Executive, Source: Record, January 1, 1925
- Mayor Announces Hearing on Water, Public Session Set for Friday, Krusen Approves City's Present Supply, Source: Ledger, June 4
- Mayor Appoints Expert to Probe Water Conditions, Kendrick Issues Order for Sweeping Survey as Pinchot Announces State Health Department Inquiry, John W, Ledoux Will Examine Situation; Murdoch Reiterates He Will Not Resign His Post, Source: Inquirer, March 4
- Mayor Asks About Private Water Works, Thinks of Asking Council to Provide for Purchase of the Holmesburg Works, Source: Ledger, February 27, 1922
- Mayor Asks More Facts About Big Water Scheme, No Item in Proposed Loan Bill Until Promised Details Are Given, Source: Record, August 7
- Mayor Asks Water Credit, Report Says Hall's Plan Anticipated in 1920 Scheme, Source: Bulletin, April 11
- Mayor Backs Sale of Reservoir Site, Sees Lands at Twenty-sixth and Master Streets as Desirable for Housing, To Name Committee to Dispose of Those City Does Not Need, Source: Inquirer, November 3, 1920
- Mayor Bans Hasty Decision on Water, Declares City Will Not Be Rushed Into Any One of Si[?] Projects Outlined, Will Consider Commission's Report at Conference With Councilmen Next Week, Source: Inquirer, September 20
- Mayor Begins Water Probe; Hires Expert, [E]ngages J.W. Ledoux, Noted Engineer, to Make a "Thorough Investigation," Survey to Cover Cause and Cure of Shortage, Inquiry to Start at Once, With Report Expected On or Before Tuesday, State Also Takes a Hand, City Has Failed to Protect Citizens, Pinchot Says as He Sends Officials Here, Source: Ledger, March 3, 1926
- Mayor Blames Council for Scarcity of Water, Tells Frankford Fathers He Has Tried to Get Action But Failed, Source: Record, June 27
- Mayor Blames Faulty System in Water Crisis, Source: Ledger, March 11
- Mayor Challenges Improvement Plans of Political Foes, Hall Water Supply Ideas Copied From Administration Survey, Source: Inquirer, April 17
- Mayor Favors New Dam at Fairmount, Two City Pumping Stations Depend Upon Old Structure, Source: North American, October 18, 1920
- Mayor Gets Report on Water Supply, Commission's Findings Are Result of Three Months Detailed Study, All Phases of Situation Covered in Survey to Be Made Public Tomorrow, Source: Inquirer, September 17
- Mayor Gets Trade Body's Water Note, Reply Ignores Kendrick's Request for Name of Engineer Who Authorized Statement, Denies Slap at Experts, Source: Bulletin, November 7, 1924
- Mayor Gives Praise to the Work of Mr. Weglein, Tells Business Men President of Council Did Much for Reforms, Source: Record, April 13
- Mayor Gives Water Plan to Council, Outlines $60,000,000 Program to Cover Ten Years, Against Hall Idea, Source: North American, August 31
- Mayor Has a Water Plan of His Own to Advance, Not Impressed With That Put Forward by Councilman Hall, Source: Record, February 1
- Mayor Has Open Mind on Water, Pledges Publicity for All Plans Advanced for Improvement of Supply, Surprised at Dispute, Source: Bulletin, June 2
- Mayor Has Plan For Water Relief; Parley is Planned, Will Call Round-Table Discussion to Obtain an Early Solution, Dunlap Says Delaware Intake Is as Polluted as Schuylkill Source, Source not known
- Mayor in Favor of Special Bureau for Water Extensions, Wants One of the Best Engineers of the Country at Its Head, Some One Like Swaab, Source: North American, June 9
- Mayor Investigates Lack of Water at Fire, Maneely Blaze Calls Attention to Needs of Big Territory, Source: Ledger, January 9
- Mayor Kendrick and the Water Supply, Source: Inquirer, January 2
- Mayor May Call in New Water Experts, Said to Be Dissatisfied With Report of His First Commission, Source: North American, December 27
- Mayor May Drop Gigantic Water Supply Project, $99,500,000 Plan Likely to Be Indefinitely Postponed by Kendrick, Too Costly for Tax Rate, Interest and Sinking Fund Charges Would be Heavy Drain on Revenues, Enlarge Present Plants, For Some Years, at Least, There Can Be No Wandering Far Off for Water, Source: Record, December 27
- Mayor Names New Water Commission, Manufacturers Told New Watershed Must Be Found and Will Be Very Costly, Might as Well Face Expenditure of $50,000,000 or More, Says Kendrick, Source: Inquirer, February 15
- Mayor Picks 7 for Water Commission
- Mayor Picks 7 For Water Commission, Says He May Add One or Two; Hinges Upon Compensation, 3 in City Service, Source: Inquirer, February 5
- Mayor Praises Caven, Water Supply to Be Next Big Enterprise Taken Up, Source: The Record, January 19
- Mayor Probes Use of City Property, Caven Said to Have Given Him Affidavits Concerning Employees, Source: North American, April 15, 1921
- Mayor Raps Critics of Water Report, Kendrick Indignantly Replies to Exceptions Taken by Board of Trade, Dereliction in Sewage Disposal Agreement and Other Charges Flatly Denied, Source: Inquirer, November 1
- Mayor Receives Report of Ledoux on Water Shortage, Silence Adds to Rumor Council Will Determine Further Action, Murdoch Is Expected to Be Retained as Chief of Water Bureau, Source: Inquirer, March 11
- Mayor Rejects Plan of Engineers For New Water System, Demands Pure Supply Be Assured to All Sections, Source: North American, August 28
- Mayor Repudiates Water-Meter Bill, Strongly Opposes Mandatory Installation of Any Particular Make, Sponsor Still a Mystery, Source: Ledger, April 28
- Mayor Reserves Decision on Water, Kendrick and Councilmen Will Confer in Study of Commission's Report, Guard Against Errors, Source: Ledger, September 19
- Mayor Reveals Full Plans For New City Hub, Vast Concourse Under Streets and Over Subways at Broad and Market, New City Hall Essential in Traffic Relief Plans, Underground Footways on Each Side of Chestnut Street Subway Trackline, P.R.R. Elevated To Go, Seashore Trains to Connect With Suburban Terminal by Filbert Street Subway, Source: Ledger, January 20, 1924
- Mayor Says City Water is Not Contaminated, Has Assurance Also That Equipment is Now Up to Date, Source: Record, December [?]
- Mayor Says He Favors $100,000,000 Water Plan, Indicates Adherence to More Expensive Hall Proposal in Speech, Talks to Store Workers, Kendrick Addresses Strawbridge & Clothier Relief Association, Source: Record, February 12, 1924
- Mayor Seeks New Water Discussion, Asks Additional Information of Commission to Lay Before Business Bodies, Plans $20,000,000 Saving, Source: Ledger, June 17
- Mayor Sees Aids on Water Report, Confers With Gaffney, Biles, and Swaab Regarding City Expert's Findings, Hasn't Seen Murdoch, Source: Bulletin, March 10
- Mayor Sees Sites For Supply Dams, Visits Perkiomen Valley With Officials Interested in New Water System, Conference on Friday, Source: North American, October 29
- Mayor Studying on Water Supply, In Shrine Club Address He Says Public Will Be Informed of All Plans, Kendrick Convinced the Delaware Can Be Saved for Future Service of City, Source: Inquirer, June 12
- Mayor to Announce Water Views Soon, Message to Council on Supply Problem Promised Before End of Year, Administration Not Expected to Indorse Commission Report in Full, Source: Inquirer, December 10
- Mayor to Appeal for State Aid in Water Program, No Money for Project, Source: Record, January 20
- Mayor to Consider Next Water Hearing, Conference With Officials Today to Discuss Second Public Session, Connell Awaits Full Report of Commission and Promises No Hasty Action, Source: Record, June 9
- Mayor to Defend His Water Report, Will Have Reply to Dunlap Attack on His Return Next Week, Opposition is Growing, Residents of Northeast Section Resent Continued Use of Filtered Sewage, The Two Rivers Compared, Reports Prove Delaware Water is Three Times as Impure as the Schuylkill, Source: Record, May 29
- Mayor to Name Water Experts, J.F. Hasskarl, Former Director of Wharves, Mentioned as One of Five Engineers, Will Improve System, Source: Bulletin, January 26
- Mayor to Protect City's Water Needs, Prepares Bid for Shore of Supply of Upper Delaware, Will Submit Claim to Tri-State Board on Division of Rights, Source: Inquirer, February 2
- Mayor to Receive New Water Supply Details Tomorrow, Data Withheld From Commission's Report to be Submitted, Director Biles and Co-Members Refuse Discussion of [Pro]ject's Phases, Source: Inquirer, May 28, 1924
- Mayor to Reply to Dunlap on Water Supply, Homeward-Bound From Canada, he Will Study "Costly Blunder" Charges, Voices his Confidence in Experts' Judgement, $10,000,000 Ordinance, Says Hall, Does Not Commit City to Definite Plan, N.Y. Engineer Approves, Smith Commends Perkiomen-Tohickon Project-Northeast Disturbed Over Sewage, Source: Ledger, May 29
- Mayor to Speak on Water This Week, Expected to Answer Dunlap's Attack on Plan Backed by Hall, Will Move With Caution, Problem Involving Many Millions to Be Threshed Out by Expert Engineers, Upper Delaware [Favored], Water From Polluted Lower River Admitted to Be Unfit for Drinking Purposes, Source: Record, June 2
- Mayor Wants City Water Plan Action, Would Take Over Oak Lane and Philadelphia and Bristol Companies, Estimated Cost, $1,100,000, Source: Inquirer, April 17
- Mayor Will Push Water Meter Plan, Believes Consumption Can Be Largely Cut by Use of System, Opposed by Dunlap, Source: North American, January 28
- Mayor Will Seek More Water Data, Declares He is Not Fully Satisfied Wants Maps Showing Dams and Aqueduct, No Criticism of Board, Source: Bulletin, June 7
- Mayor Will Speed New Water Supply, Promises, After Commission Meets, That Work Will Start in Several Places, Report Due in 90 Days, Source: Ledger, February 22
- Mayor Won't Join in Water Dispute, Will Keep Hands Off Dismissal of Veteran Engineer by Director Murdoch, Source: Ledger, May 2
- Mayor Would Buy 3 Water Plants, Proposes Way to Improve Conditions in Northeast, Source: Ledger, November 17
- May Start Dam Work, Authorization to Begin Rebuilding at Once Reported Received, Source: Ledger, February 12
- May Use 3 Water Sources, Mayor Says $99,000,000 Program Will Go to Council Soon, Source: Bulletin, November 11
- McCormick Bill for National Public Works Department, Source: North American, December 13, 1920
- M'Clure Says City Lets Distillers Waste Water, He Has Complained, He Reports, But No Action is Taken, Source: Record, November 9
- M'Crudden Prepares to Fight Dismissal, Murdoch Gives Engineer Five Days to Answer Charges, Source: Ledger, May 5
- M'Crudden Surprised, Dismissed Engineer Says He Doesn't Know "What It's All About," Source not known
- Mechanical engineering
- Mechanical engineering / Engineering
- Mechanical movements
- Mechanics, applied / Engineering / Strength of materials
- Medals Given Engineers, Six in City Service Are Honored at Annual Dinner, Source: Ledger, January 30
- Memories of Belfield Avenue, by Lou Brownholtz
- Menace of Dam Cited, Mayor Says Council is Disposed to Vote Fairmount Funds, Source: Inquirer, December 12
- Men and Things, Ancient Mains Cause Leakage of 30,000,000 Gallons a Day, Source: Bulletin, September 30, 1926
- Men and Things, Century-Old Water Pipes Still the "Mains" of the Inner City, Source: Bulletin, June 24
- Men and Things, Checkered History of the Shawmont-Roxborough Water System, Source: Bulletin, March 15, 2004
- Men and Things, City of Philadelphia's Action Against Expropriation of Perkiomen Water is Logical Step to Protect City's Rights in the Flow of the Schuylkill, Source: Bulletin, May 18, 1929
- Men and Things, Delaware River Water Treaty Will Mean Much to Philadelphia, Source: Bulletin, February 5
- Men and Things, Engineer Swaab Turns to Hering Survey of 40 Years Ago, Source: Bulletin, February 11
- Men and Things, Entrenched Opposition Seeks to Block Stream Protection Bill, Source: Bulletin, February 24
- Men and Things, Factory Wastes Pour Into Supply of City's Drinking Water, Source: Bulletin, May 6
- Men and Things, Householders Echo the Cry of Fire Bureau For More Water, Source: Bulletin, June 6
- Men and Things, Neither Excuse Nor Explanation for the Existing Water Crisis, Source: Bulletin, March 13
- Men and Things, New York City makes Ready to Tap the Delaware River, Source: Bulletin, July 24
- Men and Things, Northeast Tax Payers Protest Unnecessary Millions for Water, Source: Bulletin, December 17
- Men and Things, Operating Revenue From City's Water Works Is a Handsome Net, Source: Bulletin, June 27
- Men and Things, Practice of Other Cities Points the Way for Water Metering, Source: Bulletin, May 24
- Men and Things, Present Water Rates Earn Handsome Profits For the City Treasury, Source: Bulletin, October 19
- Men and Things, Sanitary Water Board Survey Shows Thirty Plants That Let Industrial Waste Flow Into Philadelphia Drinking Water, Source: Bulletin, October 24
- Men and Things, Schuylkill River Conditions Challenge Public Interest, Source: Bulletin, April 30
- Men and Things, Sensible Solution of Water Problem Proposed by Unpaid Experts, Source: Bulletin, June 6
- Men and Things, Shawmont [Roxborough] Breakdown the Result of Taking a Chance, Source: Bulletin, March 2
- Men and Things, Source: Bulletin, August 22
- Men and Things, Source: Bulletin, February 10
- Men and Things, Source: Bulletin, February 20, 1924
- Men and Things, Source: Bulletin, January 24
- Men and Things, Source: Bulletin, July 10
- Men and Things, Source: Bulletin, July 13
- Men and Things, Source: Bulletin, June 2
- Men and Things, Source: Bulletin, June 3
- Men and Things, Source: Bulletin, June 5
- Men and Things, Source: Bulletin, March 24
- Men and Things, Source: Bulletin, May 15
- Men and Things, Source: Bulletin, May 17
- Men and Things, Source: Bulletin, May 21
- Men and Things, Source: Bulletin, no date given
- Men and Things, Source: Bulletin, November 8
- Men and Things, Source: Bulletin, October 28
- Men and Things, State Sanitary Board has Its Own Ideas of Stream Protection, Source: Bulletin, February 25
- Men and Things, Suburban Preparations to Provide Adequate Water Supply for the Future Are an Example to Philadelphia, Source: Bulletin, June 21, 1928
- Men and Things, Suburban Water and Its Relation to Philadelphia's Problem, Source: Bulletin, June 11, 1925
- Men and Things, Tax-Payer Knows Little As to How His Money is Expended, Source: Bulletin, September 9
- Men and Things, Tri-State Compact Allots the Water of the Delaware, Source: Bulletin, February 15
- Men and Things, Water Rate Increase and Other High Points of Budget Work, Source: Bulletin, November 20
- Men and Things, What Should it Cost to Run the Water Bureau? Source: Bulletin, March 6
- Merchants Ask Water Scheme Be Abandoned, Declare $90,000,000 Project Is Shown to Be Entirely Unnecessary, Waste of Public Money, All That Is Needed Is Improvement and Enlargement of Torresdale Filters, Source: Record, November 14
- Merely Palliating Filtered Sewage, Source: Inquirer, February 16, 1926
- Mesomerism / Chemistry -- Physical and theoretical / Chemistry -- Organic
- Meter Bill His, Connell Asserts, Councilman Informs Mackey He Alone Introduced Ordinance, Absolves Murdoch, Source: Ledger, April 27
- Metered Water, Source: Ledger, May 18
- Metering Bill Bared as Work of Private Firm, Framed by Engineering Firm; Introduced in Council by Hall, Backers Defend It as Bid For Business, Measure Aboveboard, Lowest Price Would Win, Says Aqua Company Official, Murdoch Favors System as Way to End Waste, Close Scrutiny by Council is Promised-Action This Year Held Unlikely, Source: Ledger, May 25
- Metering Declared Chief Water Need, 15-Year Supply Assured by Eliminating Wastage, Experts Tell Taxpayers, Additional Filters and Removal of System From Politics Urged at Frankford, Source: Inquirer, April 1
- Metering requirements, Meter regulations, Services connections, general information
- Meters 125- 127 (charts)
- Meters 138
- Metropolitan Water Needs, Source: Bulletin, July 25
- M'Gowan Back on Payroll, Murdoch Confirms Report Regarding Water Engineer, Source: Bulletin, June 15
- Microwave Control 14
- Mill Creek
- Mill Creek Watershed
- Million Saved City by Water Survey, Discovery of More Than 1000 Leaks Stops Daily Waste of 50,000,000 Gallons, Source: Ledger, May 24
- Millions Needed for Water Supply, $6,000,000 in New Loan Bill Only "Drop in the Bucket," Chief Declares, Neshaminy Project First, Source: Ledger, September 23
- Mill races
- Mines Near End of Water Supply, Source: Ledger, December 3
- Moore Sees Phila. Owing One Billion, Former Mayor Warns Business Men of Growing Debt Danger, Hits Proposed City Contracts, Including Water Supply Dam Project, Source: Inquirer, February 10
- Moore Street Culvert; bid tampering
- More City Water Imperative Need, Bad Taste of Present Supply Unpleasant, But Not Unhealthy, Says Mayor, Shortage Real Crisis, Source: Bulletin, January 15
- More Delay on the Water Report, Source: Inquirer, August 8
- More Leaks, Source: Ledger, no date given
- More Pay For Experts, Contract Extends Services of Griffe hagen Concern, Source: Record, November 26, 1920
- More Pay for Some Employees, Source not known
- More Pay Sought by City Engineers, New Organization Adopts Schedule of Increases Ranging From 30 to 60 Per Cent, Top Figure to be $20,000, Resolutions Say Poor Financial Return Bars Many Young Men From Profession, Source: N.Y. Times, December 22
- More Than a Mistake, Source: Bulletin, December
- More Water For Suburbs, Crum Creek Filter Plant Will Increase Supply Greatly, Source: Ledger, February 8
- More Water Mains Sought, North Kensington Business Men Ask Protection, Source: Bulletin, February 15
- More Water Power, Source: Ledger, October 27
- More Water Wanted, A Need in Philadelphia That is Common to All Growing Cities, Source: Bulletin, February 25, 1921
- Mound Dam, New Mill House, Old Mill House, Watering Committee Building, North Entrance House, Pavilion, South Entrance House, Caretaker's House, Engine House, Distribution Arch, Standpipe, Mercury Pavilion, Mercury, Mercury sculpture, sculpture, North Cliffside Path, Central Cliffside Path, Stone Arch Bridge, North Garden, Hunter Street, South Garden, Esplanade, Callowhill Street Bridge
- Mount Airy 94
- Mount Carmel Supply Gone, Source: Inquirer, December 4
- Move For Future Water Needs Urged, Bureau Chief Davis Advises Setting Aside Three Creek Sources, Rivers Polluted, Source: North American, May 8
- Mr. Dunlap's Case, Source: Bulletin, January 25
- Mr. Hasskarl Reminds Us, Source: Bulletin, July 2, 1924
- Mr. Kendrick Calls in Moore Water Experts, Three of the Seven Members of the New Commission Examined the Water Supply Problem Four Years Ago, Source: Ledger, February 16
- Mt Airy 181-183
- Mt. Airy Main Breaks, Two Salesmen Hurt When [?] Strikes Hole in Street, Source: Record, November 25
- Municipal Street Showers, Source; Record, August 12
- Municipal Water and Municipal Light, Source: Inquirer, September 18
- Murdoch Answers Queries on Water Fiasco With Oaths, "I Don't Give a Damn," His Oft-Repeated Reply to Requests for Information, Explains to Kendrick, Blames Coal Strike and High Water for Failure of Water Supply Service, Figures are Questioned, Water Chief Jacked Up on His Reference to Improvements Made or Contemplated, Source: Inquirer, March 2, 1926
- Murdoch Assigns Quarters, Source: Record, May 22
- Murdoch Calls Sewage Canal Plan Expensive, Cites Flaws in Reading Man's Idea to Halt River Pollution, Action Urged by Moore, Source: Record, April 12
- Murdoch Charges Aides 'Framed' Him, Admits Shawmont [Roxborough] Has Been Neglected, but Lays Blame on Subordinates, Ledoux Report Finished, Source: Ledger, March 6
- Murdoch Defended by Hall on Water System Breakdown, Opportunity to Answer Critics Is Demanded for Bureau Head, President of Council Declares Square Dealing Will Be Shown, Source: Inquirer, March 9, 1926
- Murdoch Denies He Will Resign, "I Am Being Hounded," Declares Water Chief in Announcing He Will Keep Job, Still in Charge, He Says, Source: Ledger, March 18
- Murdoch Favors Ely to Head Water Bureau, Backs Newark Engineer to Succeed Dunlap; Other Appointments Made, Source: Inquirer, February 8
- Murdoch Hints Water Forces "Framed" Him, Carleton Davis Reported Slated for $10,000 Job in Event Bureau Chief Resigns, Ledoux Convinced of Cause of Recent Shortage After Second Day of Special Investigation, Source: Inquirer, March 9, 1926
- Murdoch Ignores Mayor in Urging Bill for Meters, Council Measure, Compelling Water Users to Install Meterage, Rouses Mackey's Ire, Ordinance, Tabled Last Year, Is Revived at Behest of Firm Seeking Contract to Furnish Devices, Source: Inquirer, April 27, 1928
- Murdoch is Slated For Public Works, City Hall Hears, Water Bureau Head May Be Director in Mackey's Cabinet, Seth M. Van Loan, Deputy Water Chief, Said to Be Listed for Promotion, Source: Inquirer, December 3
- Murdoch Lays Loss of Water to Buried Leaks, Mains 30 Years Old Causing Most Trouble, Though Some New Pipes Are Bursting, Appeals to Citizens to Report Seepage, People Too Inclined to View 'Springs' in Streets With Complaisance, He Says, Source: Ledger, September 26
- Murdoch Meets Mayor, Then Says He Retains Post, Carlton E. Davis Advises Kendrick Not to Discharge Any One in Bureau, Get Water, Not Vengeance, Former Chief Urges, Source: Inquirer, March 13
- Murdoch Menaces Many Job Holders, Director Orders Elimination of All Unnecessary Posts in Public Works Department, Bars Political Influence, Source: Bulletin, February 7
- Murdoch Ready to Retire From Water Bureau, Rumor Pervades City Hall, But Lacks Confirmation, Shawmont Pumpman's Dismissal Stirs Three Councilmen; Kerr to Have Hearing, Source: Inquirer, March 18
- Murdoch Roll Cut Affected 'Only 100', Director Says Report of 450 Hit in Economy Move is 'Gross Exaggeration', 'Only Cleared Up Lists', Source: Ledger, February 9
- Murdoch Says He Won't Quit as Water Chief, Confers With Biles on Ledoux's Report and Announces His Plan to Remain, Councilmen Meet Tuesday for Further Discussion of Case and Affected Citizens Will Also Gather, Source: Inquirer, March 13
- Murdoch Slated to Succeed Biles, Water Chief to Be Director of Public Works in Mackey's Cabinet, Myers for Transit Post, Source: Ledger, December 31
- Murdoch's Men Brand Mutiny Charges False, Leader Says They Worked Especially Hard of Late to Get More Pay, Bureau Chief Held Them to Blame for Breakdown, Ledoux Expects to Put His Report in Mayor's Hands Tomorrow, Source: Ledger, March 8
- Murdoch Strives to Hold Job and Meet New Crisis, Charges of Negligence May Force Out Head of Water Bureau; Davis Reticent After Seeing Mayor, Kendrick and Biles in 'Hands Off' Attitude; Chestnut Hill Again Undergoes Brief Dry Spell, Source: Inquirer, March [?]
- Murdoch to Ask Water Pump Bids, Four More Needed at Belmont Station to Avert Famine, New Director Declares, Aides Not Yet Appointed, Source: Ledger, January 3
- Murdoch to Fire Veteran Official of Water Works, Dismissal of McCrudden May Reveal Inside Story of 1926 Breakdown, Charges Are Withheld, Source: Record, May 2
- Murdoch Too Obliging, Places Given to Men Who Did No Work, While Efficient Men Were Let Out, Source: Record, March 8
- Murdock Clarifies New Water Plans, Chief Says Commission Never Contemplated Entire Lower Delaware Supply, System Based on Ultimate Abolition of Torresdale Intake Recommended, Source: Inquirer, September 22
- Murdock is Named City Water Head, "Hall Said He Would Get Me," Says Dunlap When Told of Removal, Position Pays $10,000, Source: Bulletin, January 25, 1924
- Musicians Ask Increase, Source not known, 1922
- Must Extend Water Supply, Says Davis, Bureau Chief Sees End of Building Boom Unless Pipes Are Laid, Rivers Polluted, Source: North American, October 14, 1922
- Must Match City Work, Director Caven Warns the Street Cleaning Contractors, Source: Record, January 5, 1921
- Must Seek More Water With Population Growth, Situation in New Jersey Discussed by Governor and Commissioners, Source: Record, December 12
- Mystery Surrounds Sudden Increase in Use of Water Here, 30,000,000 Gallons Above Normal Being Consumed Daily, Wastage or Unexpected Need on Recent Extensions Blamed by Officials, Source: Inquirer, September 25