Ball and disc integrator-working demonstration Electric motor on metal base with graph paper on drum. Unknown maker, British, 1942 Electric motor on metal base with graph paper on drum. 1942
Single cylinder petrol motor with mechanically operated valves and magneto ignition, 5-6 brake h.p. No. 2011, partly sectioned in Museum Single cylinder petrol motor with mechanically operated valves and magneto ignition
Electric motor, by Down Brothers Ltd., English, 1945-1960 Electric motor, by Down Brothers Ltd., English, 1945-1960 1945-1960