Shade, lamp
Use this image
Can I reuse this image without permission? Yes
Object images on the Ingenium Collection’s portal have the following Creative Commons license:
Copyright Ingenium / CC BY-NC-ND (Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
ATTRIBUTE THIS IMAGE
Ingenium,
1992.3083.001
Permalink:
Ingenium is releasing this image under the Creative Commons licensing framework, and encourages downloading and reuse for non-commercial purposes. Please acknowledge Ingenium and cite the artifact number.
DOWNLOAD IMAGEPURCHASE THIS IMAGE
This image is free for non-commercial use.
For commercial use, please consult our Reproduction Fees and contact us to purchase the image.
- OBJECT TYPE
- holophane/ribbed
- DATE
- 1923
- ARTIFACT NUMBER
- 1992.3083.001
- MANUFACTURER
- Holophane
- MODEL
- Unknown
- 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
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- N/A
- Height
- 10.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- 25.0 cm
- 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
-
A Class B bulb for use where is a strong illumination is required in all directions below the horizontal. - Area Notes
-
Unknown
Details
- Markings
- Raised lettering around neck reads 'HOLOPHANE 2170 MADE IN USA PAT OCT 29 1919 FEB 6 1923
- Missing
- Appears complete
- Finish
- Colourless and transparent
- Decoration
- Ribbed
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Holophane, Shade, lamp, after 1923, Artifact no. 1992.3083, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.3083.001/
FEEDBACK
Submit a question or comment about this artifact.