Watson Conduit Construction - Image 19

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Vaçe Kundakçı (red shirt) looking into a trench at the center strip of Broadway at West 115th Street (a color picture from the era when stores still had awnings).

Steve Jensen says: "I believe the vaguely shaped, East-West oriented structure(s) crossing the trench most likely is the Watson conduit. The Watson conduit was encased in concrete whose shape was determined by the surrounding soil acting as a 'form' at the instant of the pour. Hence the irreguler shape.

"In addition, there may have been a need to flatten out the 2 over 2 configuration to a 4-wide configuration to squeeze the conduit bank through a tight vertical clearance in the vicinity of the trench in the photo. David Millman might be able to offer a little insight re: was Vace looking specifically at what he thought was the Watson conduit; I believe David might have taken the original snapshot."

Photo: Dave Millman, via Steve Jensen.


Frank da Cruz / fdc@columbia.edu / Columbia University Computing History / May 2002