Shop Mechanics

Teaches groupings and uses of various types of tools; shows such machines as an engine lathe, turret lathe, vertical boring mill, planer, upright drill and cylindrical grinder. General survey of machine work and machines. Other Specialized Machines. (49 pictures-45 frames) Jam Handy. A discussion of the basic principles of broaches; slotters; boring mills, profilers, and bobbers; what they do and how they do it. Scraping. (73 pictures-69 frames) Jam Handy. Why scraping is necessary; tools used; techniques of scraping and checking finished work. Slotted Anchor Plate. (42 pictures-40 frames) Jam Handy. Proper use of layout tools; procedure in roughing out fittings; drilling small holes; hacksawing slotted metal; cutting large holes; use of round and half round files.