Lamp bulb, discharge
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1992.1690.001
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- OBJECT TYPE
- MERCURY/250W/IRREGULAR/SCREW
- DATE
- 1949–1959
- ARTIFACT NUMBER
- 1992.1690.001
- MANUFACTURER
- General Electric
- MODEL
- 400 EH1
- LOCATION
- Unknown
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS, METAL, CERAMIC
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 28.0 cm
- Width
- 11.6 cm
- Height
- 11.6 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Lighting Technology
- Category
- Lamp bulbs
- Sub-Category
- N/A
Manufacturer
- AKA
- General Electric
- Country
- Unknown
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
MERCURY LAMPS 1ST TRIED IN CANADA FOR STREET LIGHTING IN 1934 - Function
-
LIGHTING/ SPECIAL/ OUTDOOR/ USED FOR STREET LIGHTING - Technical
-
HIGH PRESSURE MERCURY VAPOUR LAMPS 1ST USED COMMERCIALLY IN U.S. IN 1930'S/ BY 1947 INCANDESCENT LAMPS WERE STILL PREDOMINATE IN STREET LIGHTING BUT USE OF MERCURY LAMPS INCREASING/ THEY WERE MORE EFFICIENT THAN INCANDESCENT - 80% MORE LIGHT FROM 400W MERCURY LAMP THAN COMPARABLE SIZE INCANDESCENT/ ALSO HAVE LONGER LIFE - Area Notes
-
Unknown
Details
- Markings
- HANDWRITTEN ACROSS BULB '400/ WATT/ EH1'/ HYDRO # HANDPAINTED '967'
- Missing
- N/A
- Finish
- CLEAR, COLOURLESS BULB/ SILVERTONE & WHITE INNER PTS/ GOLDTONE & BLACK BASE
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
General Electric, Lamp bulb, discharge, circa 1949–1959, Artifact no. 1992.1690, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.1690.001/
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