Specification of William Bickford Smith and William Bennetts : preventing the escape of smoke and gases from chimneys and furnaces.
- Smith, William Bickford.
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About this work
London : Great Seal Patent Office, 1862 (London : George E. Eyre and William Spottiswoode)
2 pages ; 28 cm
At head of title: A.D. 1862, 1st May. No. 1288.
"William Bickford Smith, of Camborne, in the county of Cornwall, merchant and William Bennetts, of Tucking Mill, in the county of Cornwall, engineer"