From the Archives: Work gang in the Torresdale Conduit, December 18th, 1906
September 18, 2013 | Public Affairs
This group of workmen filling a crack in the Torresdale Conduit. They are using slurry of concrete, sometimes called grout, which is being pumped into a crack from the metal basin in the foreground through the nozzle held by the man in the background.
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