Vacuum tube
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1971.0641.001
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- OBJECT TYPE
- VARIABLE MU/REMOTE CUTOFF
- DATE
- 1932
- ARTIFACT NUMBER
- 1971.0641.001
- MANUFACTURER
- ROGERS RADIO TUBES LTD.
- MODEL
- 551
- LOCATION
- Toronto, Ontario, Canada
More Information
General Information
- Serial #
- 12613
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS/ SYNTHETIC/ METAL/ PAPER LABEL
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 12.4 cm
- Width
- 4.4 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
- ROGERS
- Country
- Canada
- State/Province
- Ontario
- City
- Toronto
Context
- Country
- North America
- State/Province
- Unknown
- Period
- 1930'S
- Canada
-
Unknown - Function
-
TO HANDLE LARGE SIGNAL INPUTS WITHOUT CROSS-MODULATION OCCURRING - Technical
-
FIRST VARIABLE MU OR REMOTE CUT-OFF TYPE OF SCREEN-GRID DEVELOPED - Area Notes
-
Unknown
Details
- Markings
- "HOT BRANDED" ON BASE: 'ROGERS/ A/C 551'/ PRINTING ON LABEL INCLUDES:'TUBE/ TYPE 551/ ROGERS/ RECEIVING SETS/ HEATER VOLTS 2.5 PLATE VOLTS [?]/ HEATER AMPS. 1.75 CON [?]/ SCREEN GRID VOLTS/ WARNING/ Positively no Adjustment/ if this label is removed./ No. 12613/ Mfg. by/ Rogers Radio Tubes Limited/ TORONTO/ July, 1932'
- Missing
- N/A
- Finish
- UNCOLOURED GLASS/ BLACK BASE/ BLUE LABEL
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
ROGERS RADIO TUBES LTD., Vacuum tube, 1932, Artifact no. 1971.0641, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1971.0641.001/
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