One of eighty-six early incandescent lamps. Straig

One of eighty-six early incandescent lamps. Straight horizontal short thick carbon filament. No support. Carbon attached by pieces of (?) platinium bend round near the ends, platiniums sandwich the end of the copper supports to which it is electroplated. Copper supports of the shape which could short circuit when carbon breaks, but there is no indication that they are sprung. Copper attached to platinium wires passing through glass. Flattened spherical bulb with neck and pronounced flange at joint with base. Clear bulb, top pip. Cylindrical brass base fibre (?) insulated , with twin projecting connecting posts.


Object Number:
carbon filament lamp series burning?
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

Using our data


Download catalogue entry as json

Download manifest IIIF

Our records are constantly being enhanced and improved, but please note that we cannot guarantee the accuracy of any information shown on this website.