Power unit for the exchange meter, by Alos Ag, Switzerland, 1960-1970 Power unit for the exchange meter 1960-1970
Four-cylinder horizontally opposed air cooled 960 c.c. auxiliary power unit, by A.B.C. Motors, Walton-on-Thames, Surrey, England, 1947-1949 Four-cylinder horizontally opposed air cooled 960 c.c. auxiliary power unit 1947-1949
"Westminster" 1-0-1 volt 8 amp a.c./d.c. power unit, type 022.312, by Unilab, Blackburn, England "Westminster" 1-0-1 volt 8 amp a.c./d.c. power unit 1980
Wartime product, AM ref 9/2201, for use with Aircraft Torpedo Director Type F, 360ยบ angling. Gyro Angling Power Unit 1938-1946
Power unit for Cipher machine 'Fialka', with 10 rotors marked with Cyrillic (Russian) characters Power unit for 'Fialka' Cipher machine (10 rotor) with Cyrillic (Russian) characters after 1958