Check out these construction images:

Frankford EL Construction, 1913, 32nd and Dauphin Streets
construction
Image by rich701
I was unable to find a building at this address (on google maps) that matched this building.
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This set contains 39, 8×10 inch glass negatives of the construction of the Philadelphia, Frankford Street Elevated Railroad in 1913. There are also several enlargements of areas that I found interesting. They were packed in a box and separated with paper with notes recorded on them. The paper had disintegrated and stuck to the emulsion side of the negatives. You will find many of the photos with this paper still stuck to the plates because I did not try to remove it for fear of damaging the photos.