Electric signal lamp
- Made:
- before 1923
Electric signal lamp, Geodetic Survey of Canada, c. 1923. With one lamp bulb and accessories:1 gimlet 1small boring tool, 1 brass fixing screw
Details
- Category:
- Surveying
- Object Number:
- 1923-10
- type:
- electric signal lamp
- credit:
- Geodetic Survey of Canada