1937 CLEVELAND TWIST DRILL CO. Hanging “Ready Reference” Book
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1937 CLEVELAND TWIST DRILL CO. Hanging “Ready Reference” Book

$25.00
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1937 CLEVELAND TWIST DRILL CO. Hanging “Ready Reference” Book Containing information useful to machine shops: decimal equivalents, drill cutting speeds, thread dimensions and tap drill sizes, pipe threads, counterbore sizes, lubricants, suggestions for the regrinding of drills, drill press problem fixes, pointing and thinning of drills and reaming hints There are a total of 14 pages, all on seven heavy cardboard thickness cardstock sheets Size is 6-1/4 to 9-1/2 inches Copyrighted 1937 Ring bound with rope Cleveland Twist Drill Co. began issuing these "Ready Reference" guides in the early 1900s as a set of three to five hole-punched cards on a brass ring for hanging, and sent them to customers on request As they added pages, they changed to a spiral binding CONDITIONGood to Very Good Typical shop wear with slight satin on back cover No other issues noted See all pictures Please contact us with any questions! 16

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