Grace's Guide To British Industrial History

Registered UK Charity (No. 115342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 164,971 pages of information and 246,452 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

The Engineer 1931/03/20

From Graces Guide

Pdf50.jpg 1931 March 20th PDF

Main Subjects

  • British Patent Specifications p.333
  • Current Prices for Metals and Fuels p.332

See Also

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Sources of Information