Catalog #D001037 - The Cleveland Twist Drill Company Catalog #42 from 1927 gives an extensive listing with descriptions and pictures of their complete line of twist drills and other tools including milling cutters and reamers and many others. A useful addition to your library that will give you useful and accurate technical information. Includes speeds & feeds, drill grinding specifications, troubleshooting, tap drill charts, and fractional-decimal-metric conversion charts. Contains 257 pages any or all of which can be printed on your computer using the Adobe Acrobat Reader. The Acrobat Reader is available free with any order from Digitekbooks.