Drum and clock, English. 1920-1950.
1920-1950
Drum and clock, MET O 23/-/46
1943
Drum and clock, French, 1920-1950.
1920-1950
Drum and clock, French, 1920-1950.
1920-1950
Drum and clock (for barograph), 24 hr, French.
1900-1950
Drum and clock for recording instrument, 1930's.
1930-1932
Drum and clock
1940-1967
Drum and clock.
1900-1950
Drum and clock, 24 hr, French, 1920's.
1920-1928
Drum and clock. by Smith's English Clocks Ltd.
1940-1950