Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,253 pages of information and 244,496 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.
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.
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