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Catalogue description Class 4: glass, earthenware etc. Registered design No 3: registered by James Henry...
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| Reference: | BT 51/1/3 |
|---|---|
| Description: |
Class 4: glass, earthenware etc. Registered design No 3: registered by James Henry Gardiner, Electrician, of 69 Warner Road, Camberwell. The design is for the shape of an incandescent electric lamp. It consists of a glass bulb with two metal attachments opposite the one to the other. The attachments are sealed into the glass and within the enclosure they are connected by a carbon filament. The Lamp can be suspended by fine conducting wires linked into the attachments. |
| Date: | 1884 January 1 |
| Held by: | The National Archives, Kew |
| Legal status: | Public Record(s) |
| Language: | English |
| Closure status: | Open Document, Open Description |
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