Title[Cement pouring operation for subway construction]
SummaryView of wooden, caisson-like structure used for construction of subway line at unknown location in Brooklyn showing cement mixer, waiting truck, and hydraulic equipment; piles of rubble and ash in foreground; corrugated shed or wall before smoke stack at left; apartment buildings in background.
NoteTitle supplied by cataloger. On recto: date inscribed: 1-11-1917.
SubjectSubways -- Design and construction -- New York (State) -- New York ; Concrete mixers -- New York (State) -- New York ; Hydraulic machinery -- New York (State) -- New York