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Orme's voltameter,1905

1905

Simple copper voltameter on mahogany base

1900-1920

Copper voltameter

Voltameter (Used in the preparation of Argon).

Copper voltameter, Smith pattern

1907-1980

Copper voltameter

1920-1959

Copper Voltameter by Griffin

1954-1970
Voltameter consisting of a rectangular glass jar and two electrodes supported by arms projecting from brass pillars, all on an ebonite base, probably by Ducretet

Voltameter by Ducretet

1864-1930
Water voltameter; a glass dish with electrodes passing through the base, and two inverted test tubes, mounted on a wood and metal stand

Water voltameter; a glass dish with electrodes passing through the base

1900-1980
Hoffmann voltameter with platinum electrodes, on metal stand by Griffin & George Ltd.

Hoffmann voltameter with platinum electrodes

1954-1980
Voltameter, consisting of two electrodes projecting through the base of a conical glass jar, the jar being sealed with a large wax plug and supported in a brass cup attached to a brass rod and wooden base

Voltameter, consisting of two electrodes projecting through the base of a conical glass jar