"Trident" chart house receiver
- Made:
- 1861-1873 in Birmingham
- maker:
- Thomas Walker
Walker's 'Trident' electric chart house receiver with enamel dial face by Thomas Walker and Son Ltd., Birmingham, England, 1861-1873
Details
- Category:
- Navigation
- Object Number:
- 1954-32/1
- Materials:
- brass (copper, zinc alloy), paint, enamel and electrical components
- Measurements:
-
overall: 225 mm x 75 mm, 185 mm,
- type:
- navigational instrument and speedometer