MACHINIST'S READY REFERENCE 1966 Weingartner Spiral Bound Toolmakers Designers.........Great reference book for machinists, designers, toolmakers.  Full of specs, charts, tables, info on cutting tools, gears, too thickness, helical gear calculations, geometry, thread standards, etc.  For the advanced apprentice or professional.    Used and shows some use but intact and will last many more decades.  Invaluable.  176 pps.  1 lb.  International buyers welcome.