Proof illustrations of later engineering products (including hydraulic rams) by John Blake Ltd, c1900 onwards Proof illustrations of later engineering products (including hydraulic rams) by John Blake Ltd
John Blake Engineers, Ltd's bound reference collection of patent specifications associated with hydraulic rams, covering the period 1797-1918 John Blake Engineers, Ltd's bound reference collection
Coloured sectional drawing - Vertical Steam Blowing Engine, 1898. Scales:- 1:48, 1:8, 1:4 Coloured sectional drawing - Vertical Steam Blowing Engine