![](https://coimages.sciencemuseumgroup.org.uk/52/176/large_thumbnail_1923_0169.jpg)
Swan's patent lamp holders to fit gasoliers
Swan's patent lamp holders to fit gasoliers, a union between gas brackets and fittings; Faraday & Sons Lampholders; Woodhouse and Rawson's Lampholders; Vitrite Lampholders; Goolden's and Trotter Lampholder with switch to imitate gas; 16 objects