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.PlanWork 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
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