Lamp bulb, discharge
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1992.1693.001
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- OBJECT TYPE
- MERCURY/400W/TUBE/SCREW
- DATE
- 1939–1951
- ARTIFACT NUMBER
- 1992.1693.001
- MANUFACTURER
- General Electric
- MODEL
- Unknown
- 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
- 33.0 cm
- Width
- 5.1 cm
- Height
- 5.1 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
-
Unknown - Function
-
LIGHTING/ SPECIAL - Technical
-
MERCURY VAPOUR LAMPS 1ST USED IN N.AMERICA 1934/ IMPROVEMENTS LATER MADE IN SEAL & IN ELECTRODE DESIGN/ C.1950 BULB SHAPE CHANGED FROM A TUBE TO A MORE ROUNDED FORM - NEW SHAPE ALLOWED LAMP TO OPERATE AT A BETTER TEMPERATURE/ 400W MERCURY LAMP PRODUCED 80% MORE LIGHT THAN SAME SIZE INCANDESCENT & HAD LONGER LIFE. - Area Notes
-
Unknown
Details
- Markings
- STAMPED ON TOP OF BULB '[H1]/ GE/ 400 WATT/ BASE UP'/ HANDWRITTEN ON STEM INSIDE '46-185'/ HYDRO NO. HANDPAINTED ON '544-2'
- Missing
- N/A
- Finish
- CLEAR, COLOURLESS GLASS/ INNER PTS ARE SILVERTONE/ BASE IS BRASSTONE & BLACK
- 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 1939–1951, Artifact no. 1992.1693, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.1693.001/
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