Spherical glass light-bulbs 4, with pip, bayonet cap, squirted tungsten filament, and having S in lozenge etched on glass, 105r engraved on cap. (Apparently used above a billiard table in Balham, London). 100 volts, made between 1900-1915 Spherical glass light-bulbs 4
Two boxes flash bulbs, Philips "Photoflux" PF 5/97, blue, each containing five bulbs Two Boxes Philips Photoflux Flash Bulbs
Ten (10) Sylvania "Superflash Blue Dot" Flashbulbs in original packing, c. 1955 Ten Sylvania 'Superflash Blue Dot' Flashbulbs
12 packets Philips "Photoflux" flash bulbs type PF 24 N, (class FP). Packets of Philips "Photoflux" Flash Bulbs Type PF 24 N
5 packets Philips "Photoflux" flash bulbs type PF 25 N, (class M). Packets of Philips "Photoflux" Flash Bulbs Type PF 25 N
Glass bulb mercury arc rectifier together with exciter transformer and control gear Glass bulb mercury arc rectifier together with exciter transformer and control gear
7 packets Philips "Photoflux" flash bulbs type PF 25/97, (class M). Packets of Philips "Photoflux" Flash Bulbs Type PF 25/97
Will and Varrentrapp's nitrogen bulb, [original broken March 1977, reconstruction on display] Found broken and relocated. (AW) Will and Varrentrapp's nitrogen bulb, London c. 1875 circa 1875
Fluorescent light fitting with filament bulb as part of starter switch and choke. c.1950. Fluorescent Light Fitting with Filament Bulb 1950
"Nevitron" mercury arc rectifier bulb made by Nevelin Co. late 1950s type R51G 1714 "Nevitron" mercury arc rectifier bulb
4ft. probe and aspirator bulb as used in Durham Coalfield from 1967 4ft. probe and aspirator bulb as used in Durham Coalfield from 1967
One electric bulb, tubular, double carbon filament, deep blue glass. Marked E. Dowsing BB220. One electric bulb