Drum and clock, MET O 23/-/46

1943

Drum and clock, French, 1920-1950.

1920-1950

Drum and clock, 24 hr, French, 1920's.

1920-1928

Drum and clock, English. 1920-1950.

1920-1950

Drum and clock.

1900-1950

Drum and clock (for barograph), 24 hr, French.

1900-1950

Drum and clock, French, 1920-1950.

1920-1950

Drum and clock

1940-1967

Drum and clock for recording instrument, 1930's.

1930-1932

Drum and clock. by Smith's English Clocks Ltd.

1940-1950