Accession Number: 2009.uc.14
An elongated horseshoe magnet is mounted on a vertical wood backing. The magnet is protected with a modern plexiglass case (later addition – not shown in photographs). The mirror is suspended inside the centre of magnet by brass brackets at either end. The entire piece is mounted on a wooden stand with connected terminals.
A removable wooden lid with a flat glass window attaches to the case body with metal hooks.
Primary Materials: Metal, Glass, Wood
On the removable lid: a small brass plaque has the following inscribed in script: “Ateliers Ruhmkorff, J. Carpentier, Ingr. Constr. À Paris”.
Old Inventory Number = uc14a (galvanometer), uc14b (lid).
Dimensions (cm): Height= 53, Width= 21, Length= 21
Used for making precision measurements of electric instruments.
Ateliers Ruhmkorff, J. Carpentier, Ingr. Constr. À Paris
Date of Manufacture: c. 1880
Provenance: Physics via University College
Galvanometer is labeled 2009.uc.14.a. The wooden frame is labeled 2009.uc.14.b.