Spirit level
1790-1819
Spirit level
1790-1819
Pear shaped glass, curved tube from top, straight tube from bottom
1790-1819
Geissler potash bulb.
Light-bulb filament
Packets of Philips "Photoflux" Flash Bulbs Type PF 25 N
Light-bulb, carbon filament
Sashalite Photoflash Bulbs
1935-1945
Similar vessel to the early Gimingham vacuum spherical bulb
1900-1982
Small flat electric bulb
Early Gimingham vacuum spherical bulb
1900-1982
Carbon filament light-bulb
Bulb, 7405A.
Ten Sylvania 'Superflash Blue Dot' Flashbulbs
Glass bulb, with collar, plug, tap and circular base plate
1761
Large-bulb PHOTOCELL, made by Pressler, Leipzig
Light-bulb, filament, carbon
Light-bulb, filament, carbon
Evacuable bulb
1930-1970
One of Swan's Incandescent lamps-wedge joint
wet bulb for hygrometer
1876
Bulb element of Swan's incandescent lamps-wedge
Bulb for Projector Lamp used with Reichert `Polyvar' Microscope Outfit
Components for Midas Combined Camera/Projector
c. 1933
Bulb for Mole-Richardson Floodlamp Type 398
holder for early screw-in electric bulb
Light-bulb, filament carbon E.S. cap
Bulbs for Mazda motor cars
1939-1947
Bulb for Mole-Richardson Floodlight Type 613
Bulb in which first washings with oxygen were made
One litre liquid air bulb
Internally frosted bulb with carbon filament
Bulb for Projector Lamp used with Reichert `Polyvar' Microscope Outfit
Glass bulb; brass collar; plug; tap
1761
Bulb for Mole Richardson Model 16TV Floodlight
Bulb for Mole-Richardson Floodlamp Type 398
Bulb for Mole Richardson Floodlight Model 16TV
Lucas spare bulb case No.17C
1923-1939
Pear shaped x-ray bulb
1896-1900
Bulb, Acoustics Equipment. “936 BY” written on the bulb inside box.
1939-1947
Weighted glass bulb with hook
1900-1980
Packets of Philips "Photoflux" Flash Bulbs Type PF 25/97
Three glass bulbs
Bulb tied to brass pipe
1790-1819
Gutta percha bulb
1790-1819
Pulse glass
1790-1819
Pulse glass
1790-1819