Description
A large incandescent bulb with a filament comprising of four vertical wires each with two coils. Printed on the side is "Burn Vertically Pip Up" and "210 1000W 18 Osram, Gasfilled, made in England by G. E. C. Ltd Patent".
Osram 210V/1000W Incandescent Lamp, by G.E.C. Ltd., 1940s?
Inventory Number 94458
Acknowledgement: © History of Science Museum, University of Oxford, inv.94458
