Specification of John Sylvester : communicating heat to boilers.
- Sylvester, John.
Public Domain Mark
About this work
London : Great Seal Patent Office, 1857 (London : George E. Eyre and William Spottiswoode)
6 pages, 1 unnumbered folded leaf of plates : illustrations ; 27 cm
At head of title: A.D. 1835. No. 6789.
"John Sylvester, of Bloomsbury, in the county of Middlesex, engineer".