Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 1001
or hatchway, as is clearlyshown. The ends m m are fastened to the ends of thelever M but the sides n n are not connected with it, althoughin the illustration they look as if they were. The side nthat runs up from the right-hand side N sheave at the bot-tom passes over the N sheave at the left-hand…
