Photo Record
Images
![Torresdale Water Plant [Rapid Sand Filters]](https://s3.amazonaws.com/pastperfectonline/images/museum_815/025/thumbs/20041050540.jpg)
Metadata
Title |
Torresdale Water Plant [Rapid Sand Filters] |
Collection |
Philadelphia Water Department |
Description |
Torresdale Water Plant [Rapid Sand Filters] |
Catalog Number |
2004.105.0540 |
Type |
Print, Photographic |
Negative Number |
2081 |
Print size |
8" x 10" |
Notes |
On rear of photo: "Washing: Rapid sand filters can be cleansed within a half [?] with the actual washing taking only a few minutes. Pure water, supplied by 300,000 gallon tanks, is forced up through sand and gravel to carry away debris. From 82,000 to 100,000 gallons of water are required to cleanse a single bed. |