from The Century Dictionary and Cyclopedia
- Same as launching-ways.
Sorry, no etymologies found.
Seven launchways were required one for each of the outer edges, five under the interior partitions, and the total weight of the structure, by the time it was ready for launching, would be six million pounds, or three thousand tons, which was, for example, a thousand tons more than the Challenge, leviathan of the clipper ships built in East River yards.
First of all, since the caisson would have to be launched like a ship—only in this case a ship built upside down—there would have to be supports of some kind between the launchways and the roof.
Because of the comparatively shallow water in front of the Sixth Street launchways, the caisson had been built with a temporary floor, which was the reason for the wave.
She was only two years out of the launchways, but technology bounded ahead so rapidly that she would have been carrying outdated equipment if she weren’t undergoing upgrade now.