MULTIPLEX dual-filament incandescent light bulb
Ampoule électrique à deux filaments
Glühlampe mit 2 Fäden

This lamp has two Filaments and three connections on the Bayonet base; turning a ring around it moves the locating pins to the other connection. When the first filament blows, simply turn to the other one!

110 V - 15 W each filament

Ca. 1920

Hauteur • Height • Höhe : 109 mm • 4" 3/10
Diamètre • Diameter • Durchmesser : 59 mm • 2" 3/10

 

 

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