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Single phase service type meter

Alternate current Watt hour meter no.31031

Meter for measuring electrical interruptions per second

1920-1935

Heydes Aktino Photo Meter

1905

Meter, wood surround

1801-1850

Two oxygen flow meters, designed for cutting, bought for use in special baby care unit at Horton General Hospital c1961, by BOC, in original carton

Two oxygen flow meters

1961

Four Engine Speed Meters (ex "Navigation Today" exhibition number: N.T.E.157), by Kelvin and Hughes Limited, 1947-1955

Engine speed meters

1947-1955