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 486
Fig. 1C7 the cord is returned by the helical spring A, Fig. 168, con-tained in the horizontal spring case B. Adjustment of thisspring is made by the milled head which closes the outerend of the case and carries one end of the spring. Thishead slips over the squared end of the horizontal shaft D,… … Fig. 168sectional view of crosby reducing motion the web and gear I of the small sheave are a part of thehorizontal shaft. On this small sheave are the bushings J 474 Steam Engineering which are taken ofi or added to, to get the proper ratio ofmotion for the paper drum. The bushings are held in…
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-969-440.webp)
