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Lamp, electric

Details

Artifact no.
1992.1680.001
Manufacturer
Canadian Line Materials Co.
Context Function
TO PROVIDE LIGHT FOR STREET LIGHTING
Context Technical
MERCURY LAMPS WERE INTRODUCED FOR STREET LIGHTING IN THE 1930'S/ WWII INTRODUCED THEIR SPREAD BUT AFTER THE WAR MERCURY STREET LIGHTING BECAME VERY POPULAR IN U.S. & IN CANADIAN CITIES/ MERCURY LAMPS ARE VERY EFFICIENT & HAVE A LONG LIFE/ THIS LUMINAIRE DOES NOT HAVE AN INTEGRAL BALLAST - THESE WERE 1ST INTRODUCED C.1960
Context Canada
EXAMPLE OF A TYPE OF STREET LIGHT USED IN CANADA
Description
METAL; CERAMIC; FIBRE; GLASS
Number of Parts
2
Artifact Finish
.1 OUTSIDE IS SILVER COLOUR, INSIDE HAS REFLECTOR WITH CHROME-LIKE FINISH/ BULB HAS CLEAR COLOURLESS FINISH, BLUE-GREY LINER/.2 TRANSPARENT, COLOURLESS GLASS, UNFINISHED SILVER-COLOUR RIM
Artifact Markings
.1 RAISED ON BACK '611456-1'/.2 ON RIM NEAR HINGE '626234-['C' IS BACKWARDS]'/ SMALL CIRCLE CONTAINS WHAT APPEARS TO BE 'BOC'/ ON GLASS 'HOLOPHANE [ENCIRCLED 'R']/ 4151E'/ RAISED IN GLASS IS CIRCLE CONTAINING A TRIANGLE, INSIDE TRIANGLE 'LM' & BETWEEN TRIANGLE & CIRCLE IS ENCIRCLED 'R'/ ON RIM 'HOLOPHANE PAT. PENDING'/ ON INCANDESCENT LAMP 'Westinghouse/ 300W/ 120 Volts'
Artifact Missing
.1 METAL,CERAMIC, FELTED FIBRE, GLASS BULB IN PLACE/ .2 GLASS WITH METAL RIM
Group 1
Lighting Technology
Category 1
Lighting devices
Subcategory 1
Electric
Material
metal;ceramic;fibre;glass
Length
59.0 cm
Width
36.0 cm