This little volume is designed for students of drilling. It is not
intended as a complete treatise on the subject, but rather as an
introduction to the theory underlying the use of the twist drill.
The subject matter has also been covered in an interesting manner by an
educational four-reel motion picture entitled, “The Uses and Abuses of
This film contains no advertising but limits itself to a strict
interpretation of the title.
We are always glad to furnish this film to responsible parties. A
portable projector operating from any lamp socket is also furnished,
The Cleveland Twist Drill Company
Cleveland, Ohio, 1920