Lamp bulb, discharge
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1992.2342.001
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- OBJECT TYPE
- FLUORESCENT/TUBE/BIPIN/40W
- DATE
- 1959
- ARTIFACT NUMBER
- 1992.2342.001
- MANUFACTURER
- Duro-Test
- MODEL
- POWER TWIST COOL WHITE DELUXE RAPID START HTC
- 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 & METAL CONSTRUCTION.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 122.0 cm
- Width
- 3.5 cm
- Height
- 3.5 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
- Duro Test
- Country
- United States of America
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- North America
- State/Province
- Unknown
- Period
- THIS TYPE OF LAMP BULB USED 1960S+
- Canada
-
Unknown - Function
-
TO PROVIDE ARTIFICAL ILLUMINATION, INDOORS. - Technical
-
POWER TWIST BULB DESIGNED WITH DOUBLE-GROOVE CONFIGURATION TO PROVIDE MORE LIGHT THAN STANDARD LAMPS. UNLIKE CONVENTIONALLY SHAPED FLUORESCENT BULBS IN WHICH THE ARC STREAM TRAVELS A STRAIGHT PATH, THIS TUBE SPIRALED THE ARC STREAM AND FORCED ITS ELECTRONS CLOSER TO THE PHOSPHOR-COATED TUBE WALL, RESULTING IN A LONGER ARC STREAM, AND MORE EFFICIENT PHOSPHOR EXCITATION. (REF. 1) - Area Notes
-
Unknown
Details
- Markings
- "POWER-TWIST/ [Registered trade mark symbol]/ COOL WHITE/ DURO-TEST/ MADE IN U.S.A./ ["L" within circle symbol]/ 40 W --4---/ DLX. RAPID ST. HTC" stamped in black at one end of glass sleeve.
- Missing
- TUBE IS DAMAGED AT ONE END OF GLASS SLEEVE: SMALL AREA OF SLEEVE IS MISSING. [NB: CONTRARY TO WORKSHEET REPORT, BIPINS ARE NOT DAMAGED]
- Finish
- WHITE GLASS SLEEVE; SILVER METAL ENDS.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Duro-Test, Lamp bulb, discharge, circa 1959, Artifact no. 1992.2342, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1992.2342.001/
FEEDBACK
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