View Of The San Francisco - Oakland Bay Bridge

Front:
OG.M. 1935 XX XXI

Back:
VIEW OF THE SAN FRANCISCO-OAKLAND BAY BRIDGE FROM SAN FRANCISCO Cable consists of thirty-seven strands containing 472 wires each, a total of 17,464 wires; total length of wire, 70,000 miles. Diameter of cable, 285/8 inches; weight of cable per foot, 1,750 pounds. Total weight of cable wire, 18.700 tons. Ship clearance of the bridge will be from 200 to 218 feet above the surface of low water. No. 45 PUB. BY J. C. BARDELL