Heat Engines (non steam)
1890
model, scale 1:8, of 6 hp Akroyd crude oil automatic ignition engine, on mahogany base; semi-diesel engine; part sectioned through cylinder.
1895
Priestman oil engine, 1895, 3 h.p., 7" diameter x 10" stroke, incomplete, with accessories and spare parts detached, by William Dent Priestman, Kingston upon Hull, Yorkshire, England, 1895
1893
Hornsby-Akroyd patent safety oil engine (2 1/2 b.h.p.), no. 802, 1894 type. Patented 1890.
