Fairbairn, William, Sir, 1789-1874 · London, Longman, Green, Longman, Roberts & Green · leaf 131
ON VEKTICAL SHAFTS. 107 shaft, and dd the box coiitaiuiug the brass footstep for thevertical shaft: this box rests on a large base plate, boltedto the foundation stones and to the wall of the engine-house. In order to insure a constant supply of oil to thebearing, it is usual to cut away nearly the…
Mills and mill-work · Machinery
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
