Lighting Collection

Welcome to the lighting collection at Aberystwyth University Physics Museum. This collection houses many pieces that have previously been used to light some of the Physics lecture rooms and workshops.

 

Arbitron Discharge Tube

By Armaments Research Dept. 1945
A tube filled with some noble gas that is ionised by an electric charge, causing the gas to give off a flash of light.

 

 

 

 

 

 

Metal Filament Gas Filled Lamp

By Osram G. E. C. 1940
A large 220 volt, 200 watt light bulb with Edison screw cap.

 

 

Cryselco Carbon Filament

By Cryselco. 1918
A 220 volt, 32 C. P carbon filament bulb with R. A. F. pip seal.

 

 

 

 

Sunbeam Elongated Carbon Filament

By Sunbeam. 1895
An elongated bulb carbon filament lamp of unknown voltage.

 

 

 

Robertson Carbon Filament Orange

By Robertson. 1925
An 11 inch, orange 230-250 volt, 250 watt pip seal carbon filament lamp designed for use in a small heater with two other lamps. Also used as a resistance in charging wireless accumulators.

 

 

 

 

Philips ½ Watt

By Philips
A metal filament 4 volt, 75 watt bayonet cap bulb. Named ½ watt because it gave 0.5 watts per candlepower.

 

 

 

 

 

 

Car headlamp

Circa 1930
A 12 volt, 24 watt metal filament gas-filled lamp possibly used as a car headlight.

 

 

 

 

C. A. V

By Royal Ediswan. 1925
Metal filament 6 volt, 15 watt car headlamp with bayonet cap and pip seal.

 

 

 

 

 

Mazda Patent

By BTH. 1925
An 8 volt, 6 watt metal filament car headlamp with bayonet cap.

 

 

 

 

 

Robertson Carbon Filament

By Robertson. 1930
A 220 volt, 32 C. P. carbon filament lamp with bayonet cap and sealed at base.

 

 

 

 

 

Tungsten Filament Vacuum

By Osram G. E. C. 1925
A 110 volt, 60 watt tungsten filament vacuum lamp with bayonet cap and sealed base.

 

 

 

 

 

 

Gas Bracket Lamp

Circa 1890
A 6 volt carbon filament lamp designed to fit a gas bracket.

 

 

 

 

 

 

 

Neon Lamp

By Osglim G. E. C. 1930
A 230-240 volt, 5 watt neon lamp of the beehive type with bayonet cap and base seal.

 

 

 

 

 

Projector Lamp

By Osram G. E. C.
A large 230 volt, 1000 watt metal filament, gas-filled projection lamp with giant Edison screw cap.

 

 

 

 

 

 

 

 

Siemens Silvalux

By Siemens. 1940
A 240 volt, 500 watt metal filament gas-filled lamp that was used in the large Physics lecture room throughout the 1940’s.

 

 

Experimental Bulb

Circa 1940
Metal filament bulb with twin filaments, appears to be of an experimental nature. Possibly homemade.

 

 

 

 

Twin Filament

By Osram G. E. C. 1935
A 135 volt, 18 and 24 watt twin metal filament bulb with bayonet cap. Used commercially.

 

 

 

 

Osglim Neon

By Oslim G. E. C. 1930
A 200-220 volt pilot type neon bulb with bayonet cap.

 

 

 

 

 

Mazda B. T. H Patent

By B. T. H. 1920
A 110 volt, 20 watt elongated metal filament vacuum bulb for use at a music desk. From an organ at Oldham Welsh C. M Church.

 

 

 

 

 

 

 

 

 

 

 

Broken Carbon Filament Bulb

Circa 1890
This carbon filament has both its bulb and filament broken. Originally designed to fit a gas bracket.

 

 

 

 

 

Tungsten Filament Vacuum Lamp

By Osram G. E. C
A large 110 volt, 60 watt tungsten filament vacuum lamp with a sealed base and a bayonet cap.

 

 

 

 

Siemens Carbon Filament

By Siemens. 1895
A carbon filament lamp with unknown voltage. Possibly 100 volts and 5 C. P.

 

 

 

 

 

 

 

Osram Tungsten Filament

By Osram G. E. C. 1920
A 110 volt, 32 watt tungsten filament lamp with bayonet cap and pip seal.

 

 

 

 

 

Projector Lamp

By Osram G. E. C. 1958
A 240 volt, 500 watt projector lamp complete in box. The box is stamped “4 Nov 1958”.

 

 

 

Sunbeam Lamp

By Sunbeam. 1895
Previously used to light either the original Physics Lab or Lecture Room. This bulb was originally 28 volt and 400 C. P, but was run off a 110 volt dynamo around 1900.

 

 

 

 

 

Nernst AEG Model B

By Nernst. 1905
A collection of these lamps were used to light the U. C. W. library until an unknown date.