Royal Ediswan Incandescent Lamp; double filament

Royal Ediswan Incandescent Lamp; double filament

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Royal Ediswan Incandescent Lamp; double filament
Science Museum Group
The Board of Trustees of the Science Museum

Royal Ediswan Incandescent Lamp; double filament

Details

Category:
Lighting
Object Number:
1929-459
type:
lamp
credit:
Mr. C. Faraday Proctor.