A textbook on mechanical and electrical engineering (1902)
International Correspondence Schools · Scranton : International Textbook Co. · leaf 149
he projection of the top of aleft-handed screw. It will also be noticed that the sectionallines on the eccentric run in opposite directions to those onthe strap. This is always done when two different piecesmeet, and serves to indicate that they are separate pieces.Each piece should be sectioned…
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-466-272.webp)
