GeoHistory Resources |
PURCHASE IMAGE REPRODUCTION
We're sorry, reproductions for this item are currently not available through our online ordering system. You may still in most cases order reproductions by contacting the holding institution directly. PHILADELPHIA STREETS DEPARTMENT, SURVEY AND DESIGNS BUREAU Frank Morelli Phone: (215) 686-5540 |
Plan, Diagram showing the relation of area drained, size for 3 inches rainfall, grade and corresponding velocity for brick sewers and vitrified pipes, running full discharge., 1900 ca. Original size: 23 x 27 in. (estimated)
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