- Item type
- Object
- Dimensions
- Height: 170mm Width: 243mm Depth: 183mm Weight: 2990g
- Inventory No
- 17670
Description
A wooden case with a hinged with and circular clasp and a canvas handle. Inside and built into the case is a resistance bridge. The object comprises of a black plate of ebonite with many copper alloy terminals and switches, many also have ebonite handles. At the back of the plate is a dial which is viewed through a glass window.
