- Item type
- Object
- Provenance
- Transferred from the Dept. of Earth Sciences per Roy Goodwin Esq.
- Dimensions
- Height: 165mm Width: 240mm Depth: 165mm Weight: 4.6kg
- Inventory No
- 88266
- Accession Number
- 1991-20
Description
Wooden dovetail jointed box with copper alloy handle and circular locking mechanism, with manuscript circuit diagram inside lid. Card and string label is attached to the handle "Post Office Bridge" [91-20]". Diagram is entitled "Wheatsone Bridge Post Office Pattern Diagram of connections Rheastat arm = 8110 ohms". Internal fittings are made of copper alloy and ebonite.
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