... connexion with the sloping chains above. Those chains, to anchor thecentral suspended span of 580 feet, extended over a total length of nearly 2,000 feet between anchorages. Reconstruction apparently required 3,300 tons of structural steel, much of it of high-tensile quality and,since that was to be charged...

... . . . . . . . . . . . . . . 185 Removal of old outer chains . . . . . . . . . . . . . . 185 Erection of new chains on approach spans . . . . . . . . . . 185 Erection of new chains on centralspan . . . . . . . . 186 Erection of new deck . . . . . . . . . . . . . . . . 187 Transference of traffic . . . . . . . . . . . . . 188...

.... Effect on chain stresses of roller Breakdown.-When the mechanism was taken adrift in 1939 the rollers were found to be very heavily corroded and gave theappearance of having ceased to function for many years. There is no doubt, therefore, that the tops of the towers were at times subjected...