GeoHistory Resources

Diagram showing quantity of water reaching sewer based upon the Philadelphia Formula, corresponding grade, size and velocity when running full. Department of Public Works, Bureau of Surveys, 1915 ca.

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Work Title:
Diagram showing quantity of water reaching sewer based upon the Philadelphia Formula, corresponding grade, size and velocity when running full. Department of Public Works, Bureau of Surveys, 1915 ca.
Surveyor:
Not named
Date:
1915 ca.
Size:
31 x 25 in.
Scale:
Not noted
Media:
Tracing
Image Note:
The colors in this image may have been adjusted to enhance legibility, and may not accurately reflect the original item.
Source:
Image File(s):
SD7th-P1-F1-1