Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 650
ars, usually made 10 to 1.These gear wheels are made of solid cast steel, or of castiron with steel rims pressed on. The teeth in two rowsare set at an angle of 90° to each other. This arrange-ment insures smooth running and at the same time checksany tendency of the shaft towards end thrust, thus…
