Modulator, carrier system
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1974.0613.001
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- OBJECT TYPE
- CHANNEL 1
- DATE
- 1920–1929
- ARTIFACT NUMBER
- 1974.0613.001
- MANUFACTURER
- Western Electric
- MODEL
- C
- LOCATION
- Unknown
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- METAL
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 48.0 cm
- Width
- 35.5 cm
- Height
- 27.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telephony
- Sub-Category
- N/A
Manufacturer
- AKA
- Western Electric
- Country
- Unknown
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- C. LATE 1920'S & EARLY 1930'S
- Canada
-
IN 1931, 'C' CARRIER BECAME THE STANDARD SYSTEM ON THE TRANS CANADA TELEPHONE SYSTEM'S TRANSCONTINENTAL LINE. - Function
-
TO MODULATE CHANNEL 1 OF A C-CARRIER SYSTEM (OR CHANGE VOICE FREQUENCY TO ANOTHER FREQUENCY FOR TRANSMISSION). - Technical
-
SHOWS THE CONSTRUCTION OF CARRIER SYSTEMS AT THAT TIME. - Area Notes
-
Unknown
Details
- Markings
- PAINTED ACROSS TOP: '3/101F' '2/101F' '1/101F'/ OTHER MARKINGS: 'MOD./ CHAN.1'/ 'BAL.' 'UNBAL. CARR' 'OSC.'/ TWO DIALS WITH NUMBERS
- Missing
- 3 101F TUBES
- Finish
- PAINTED BLACK WITH WHITE PRINTING
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Western Electric, Modulator, carrier system, between 1920–1929, Artifact no. 1974.0613, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1974.0613.001/
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