A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 73
e gear is 36, and in the smallone 18. The pitch diameter of the large wheel is found byformula 1 to be d — —- = 11.46 inches, nearlv. 3.1416 The pitch diameter of the small gear = 1 X 18 3.1416 = 5.73 inches, nearly. The diameter of the describing circle is found by formula4 to be d = ., ^ ,, , =… … riffj. ^,^.2. ~j—
