One of two lamp-bulbs
One of two lamp-bulbs, electric, filament, 2 1/2 c.p. Swan type 4, c.1890
Two lamp-bulbs
Two lamp-bulbs, electric, filament, 2 1/2 c.p. Swan type 4, c.1890
Parts
Electric lamp, about 1890
one of two lamp-bulbs, electric, filament, 2 1/2 c.p. Swan type 4, c.1890
- Measurements:
-
overall: 60 mm x x , 40 mm,
- Materials:
- glass and metal filament
- Object Number:
- 1967-203/2
- Image ©
- The Board of Trustees of the Science Museum
