Page:Machinery's Handbook, (6th Edition, 1924, machineryshandbo00indu).pdf/1

This page has been proofread, but needs to be validated.

MACHINERY'S
HANDBOOK

Retrieved from "https://en.wikisource.org/w/index.php?title=Page:Machinery%27s_Handbook,_(6th_Edition,_1924,_machineryshandbo00indu).pdf/1&oldid=14016900"