One of eighty-six early incandescent lamps. Zig-z
One of eighty-six early incandescent lamps. Zig-zag filament. One filament support into sealing pip. Platinium leads pass through seperate seals in bulb. Pear-shaped bulb, with shoulder at base. Top pip. Bayonet cap base, with shoulder and flate elliptical brass contact plates. porcelain insulated otherwise hollow. Manufacturer unknown, but handwritten label stuck to base says "German make." 200 - 16 on base (volts - c.p.). Filament shape similar to Bristol Electric height Co. Lamp1923-173/7D.
- Object Number:
- carbon filament lamp
- Institution of Electronical Engineering
- Permanent collection
Cite this page
We encourage the use and reuse of our collection data.
Data in the title, made, maker and details fields are released under Creative Commons Zero
Descriptions and all other text content are licensed under a Creative Commons Attribution 4.0 licence
Download catalogue entry as json
Download manifest IIIF