G. R. COW E N, ENGINEER AND IRONFOUNDER, BECK WORKS, NOTTINGHAM, SOLE MAKER OF HALL'S PATENT ROTARY ENGINES, ..
... their Simplicity, Compactness, Cheapness, and Econemy. LICENSED MAKER OF OUTHELL'S PATENT SELF- VARYING CUT-OfF AND GOVERNING VALVE, The Simplest and best Expansion Valve yet introduced; AND OF FIELD'S PATENT BOILER, AND FIELD'S PATENT TUBES, As adopted by the *g£*£^Jfafa R J*TO S P ?? > Dutch, and other Governments, the Metropolitan' Board of Works, the Liverpool Corporation, the Town of ...