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Special Sale,
America Hurrah postcard sets of ten, $1.00 postage to U. S included. |
Building the Golden Gate Bridge:
1933 - 1937 Spinning the Cables
Spinning carriages moving at 650 feet per minute, carried 27,572 wires along a length of 7,650 feet. Each cable would be compressed to a diameter of 36 inches. Wire ropes would be hung from them to hold the roadway. A section of cable is on display at the toll plaza parking lot. |