Vacuum tube
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1994.0257.001
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- OBJECT TYPE
- LOW POWER AMP/DETECTOR/PEANUT
- DATE
- 1922–1924
- ARTIFACT NUMBER
- 1994.0257.001
- MANUFACTURER
- Northern Electric
- MODEL
- R215A
- LOCATION
- Montréal, Québec, Canada
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS/ METAL/ SYNTHETIC/ CARTON: PAPER AROUND WOOD
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 6.6 cm
- Width
- 2.8 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Telephone
- Sub-Category
- N/A
Manufacturer
- AKA
- Northern Electric
- Country
- Canada
- State/Province
- Québec
- City
- Montréal
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- C.1920'S
- Canada
-
MADE & AVAILABLE IN CANADA - Function
-
USED AS AN AUDIO & INTERMEDIATE FREQUENCY AMPLIFIER, DETECTOR OR OSCILLATOR - Technical
-
DEVELOPMENT STARTED BY WESTERN ELECTRIC DURING WWI FOR USE IN BATTERY-OPERATED RADIO TRENCH SETS/ FIRST AMERICAN SMALL TUBE TYPE/ POSSIBLY THE FIRST BUE EQUIPPED WITH A MOULDED BASE - Area Notes
-
Unknown
Details
- Markings
- TUBE:ON GLASS: 'GRADE 2'/ CARTON: TWICE- 'Northern Electric Company/ LIMITED/ Grade 2 Red Tip R215-a "Peanut" Vacuum Tube/ No Guarantee/ See Printed notice within/ Patented 1917-1920-1921-1922-2 Patents/ Not licensed for sale in the U.S.A./ GRADE 2/ RED TIP/ NOR-LECTRIC/ PEANUT TUBE/ Made in Canada'
- Missing
- From CA of 05/07/1998 by Pat Montero: No - Complete
- Finish
- UNCOLOURED GLASS WITH RED PAINTED TIP/ BLACK SHELL/ CARTON: WINE WITH BLACK PRINTING
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Northern Electric, Vacuum tube, circa 1922–1924, Artifact no. 1994.0257, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1994.0257.001/
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