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 148,518 pages of information and 233,949 images on early companies, their products and the people who designed and built them.


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1917 Improved version of the R9 airship. 997,500 cubic feet and a length of 535 feet. Fitted with 1,000 hp engines and had a speed of 55 mph and disposable weight of 6 tons.

See Also


Sources of Information

  • The Airship by Christopher Sprigg. Published c1931