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 162,364 pages of information and 244,505 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 1886/05/07

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Pdf50.jpg 1886 May 07th PDF

  • Contents, p 357.

Main Subjects

  • Construction and Testing of Air-Locks and Shaft-Tubes - L. Brennecke, p 354.

See Also

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Sources of Information