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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