Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,930 pages of information and 225,312 images on early companies, their products and the people who designed and built them.

The Engineer 1923/06/22

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Pdf50.jpg 1923 June 22nd PDF

Main Subjects

  • Editorial
  • Spiral Bevel Gears, by W. C. D., (No I.), p 649. (Illustrated)


See Also

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Sources of Information