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Mirror Galvanometer (Griffin & Tatlock)


A cast iron circular base with tripod legs on levelling screws and in between two of the legs there are two metal terminals. The circular base holds a circular magnet. The magnet has a metal post attached to it on which there is a 2x8cm flat glass window with a small circular mirror behind it. On the circular base there are markings “IIE” and “1212”.

Accession Number:

Alternative Name:

Primary Materials: Metal, Glass


On top of the flat glass is a circular metal plate with labels “GRIFFIN & TATLOCK LIMITED LONDON”, “EDINBURGH, GLASGOW, MANCHESTER, LIVERPOOL”, and ” NoG 735185″

Dimensions (cm):

Height = 23.5, Width = 18.5, Length = 19.5

Function: Precision electrical measurement.


Associated Instruments:

Manufacturer: Griffin & Tatlock Limited

Date of Manufacture: 1929-1954

Provenance: Dr. Martin Lee’s Collection

Additional Information and References:

Historical Notes: