Early Edison screw-fitting light bulb. Incandescent electric lamp with carbon filament. Early Edison screw-fitting lig
Premier slide lantern carbon arc lamp. Stamped label above opening at back: "Premier slide lantern model no 95 serial no. 1306" Premier slide lantern carbon arc lamp
One early duplex gas burner, size 2" x 1 1/4" x 1/2", made by Charles Baly Esq., about 1880. One early duplex gas burner
One of a series of 20 bulbs and components illustrating the manufacture of the "Svea" glow lamp; bulb ready for pumping. Bulb, one of a series illustrating the "Svea" glow lamp
One of a series of 20 bulbs and components illustrating the manufacture of the "Svea" glow lamp; raw fibre for making filament. Filament fibre, part of a series illustrating the "Svea" glow lamp