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
Enlarged photograph 14 1/2"x11 1/2", of Vertical Triple Expansion Engine driving a pump at Kempton Park and giving 1000 hp. Enlarged photograph 14 1/2"x11 1/2"
Photograph of low pressure cylinder for self-acting compound condensing engine, 1847, used to drain Haarlem Meer Photograph of low pressure cylinder for self-acting compound condensing engine