Vacuum tube
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1969.0538.001
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- OBJECT TYPE
- DETECTOR/AMPLIFIER/OSCILLATOR
- DATE
- 1922–1928
- ARTIFACT NUMBER
- 1969.0538.001
- MANUFACTURER
- MYERS ?
- MODEL
- RAC3
- LOCATION
- Unknown
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS/ SYNTHETIC/ METAL
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 8.7 cm
- Width
- 1.9 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Receiving
- Sub-Category
- N/A
Manufacturer
- AKA
- MYERS
- Country
- Unknown
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
THIS TUBE TYPE WAS ORIGINALLY MADE IN THE US IN JERSEY CITY, NJ, BUT AS IT INFRINGED OTHER THREE ELEMENT TUBE PATENTS, SPECIAL PATENTS WERE TAKEN OUT BY MYERS IN CANADA AND THE MANUFACTURE OF THIS TUBE CEASED IN THE US - Function
-
USED TO DETECT, AMPLIFY OR OSCILLATE RADIO WAVES IN A RADIO RECEIVER - Technical
-
WIDE SEPARATION OF THE GRID & ANODE LEADS TENDED TO PROVIDE LOW DIRECT CAPITANCE, WHICH MADE THE TUBE USABLE AT HIGHER FREQ. THAN SINGLE-ENDED TUBES - Area Notes
-
Unknown
Details
- Markings
- PRINTED ON GLASS: 'MADE IN CANADA'
- Missing
- N/A
- Finish
- ONE BLACK CAP AND ONE WINE CAP/ UNCOLOURED GLASS
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
MYERS ?, Vacuum tube, circa 1922–1928, Artifact no. 1969.0538, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1969.0538.001/
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