Light bulb
Royal Ediswan
Category
Historic Services / Lighting
Date
1905
Materials
Glass, brass and copper
Measurements
105 mm (Height)
Order this imageCollection
Dunham Massey, Cheshire
NT 936877
Summary
Glass and brass light bulb, by the Edison and Swan Electric Light Company (established in 1883, commonly known as Ediswan and known from 1905 as Royal Ediswan), with copper filament and etched '602' and '"ROYAL EDISWAN".
Provenance
Stamford collection; devised to the National Trust by Roger Grey, 10th Earl of Stamford (1896-1976)
Marks and inscriptions
105J (handwritten in black ink on lowest glass part)
Makers and roles
Royal Ediswan, manufacturer