Globe & refractor, lamp

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OBJECT TYPE
streetlight/refractor
DATE
1934
ARTIFACT NUMBER
1992.3091.001
MANUFACTURER
Holophane
MODEL
Dome Refractor/4632
LOCATION
United States of America

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
Glass globe and refractor/ Non-ferrous metal support

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
35.0 cm
Width
21.5 cm
Height
15.5 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Lighting Technology
Category
Lighting device parts
Sub-Category
N/A

Manufacturer

AKA
Holophane
Country
United States of America
State/Province
Unknown
City
Unknown

Context

Country
Unknown
State/Province
Unknown
Period
Unknown
Canada
Part of a large and varied collection of over 7500 electrical items acquired and documented by Ontario Hydro in the 1960s. The collection was thought to be the largest and most comprehensive of its kind in Canada and was donated to the Canada Science and Technology Museum in 1992.
Function
A part of an electric lighting fixture which shields the lamp bulb and diffuses the light produced by the lamp into the surrounding area.
Technical
This unit consists of a globe containing a dome refractor which concentrates and directs the light of a street lamp as required.
Area Notes
Unknown

Details

Markings
Raised lettering on lower edge reads 'HOLOPHANE USA 4632 PAT OCT 22 1918'
Missing
Appears complete
Finish
Colourless transparent glass/ Black painted metal
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Holophane, Globe & refractor, lamp, circa 1934, Artifact no. 1992.3091, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.3091.001/

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