Grace's Guide To British Industrial History

Registered UK Charity (No. 1154342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,710 pages of information and 247,104 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 1923/07/13

From Graces Guide
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Pdf50.jpg 1923 July 13th PDF

  • Contents, p 43.

Main Subjects

  • Testing the Calorific Value of Gas Supplies, p 48.

See Also

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Sources of Information