Motor on wall
The heavy machine shop was typical for its day in that its power came from large DC motors mounted on the walls, that operated series of belts on pulleys, which in turned operated the machinery below.
Click here to read the related story on Thomas Edison's labs. And click here to check out the entire Road Trip 2010 package.
July 7, 2010 4:00 AM PDT
Photo by: Daniel Terdiman/CNET
| Caption by: Daniel Terdiman
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