Carrier terminal

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Ingenium, 1968.0141.001
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OBJECT TYPE: LOW FREQUENCY/OPEN WIRE
DATE: 1929
ARTIFACT NUMBER: 1968.0141.001

MANUFACTURER: Western Electric Co.
MODEL: D
LOCATION: Unknown

More Information

General Information

Serial #: N29 (CARRIER)
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: STEEL RELAY RACK/ CARRIER PANEL & SIGNALLING PANEL HAVE SHEET STEEL COVERS/ FILTERS & TRANSFORMERS HAVE COPPEROR ALUMINUM COVERS/ GLASS, METAL & SYNTHETIC WORKING PARTS

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: N/A
Width: N/A
Height: 2.8 m
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: North America
State/Province: Unknown
Period: 1930-1955
Canada: Unknown
Function: TO EFFECT MODULATION, DEMODULATION, FILTERING & AMPLIFICATION AT ONE END OF A CARRIER TRANSMISSION SYSTEM. DEVELOPS ONE TOLL QUALITY TELEPHONE CIRCUIT THAT OPERATES IN THE FREQUENCY B & 4KHZ TO 11 KHZ ON AN OPEN WIRE TELEPHONE FACILITY/ FILTERS ALLOW ONE TOLL CIRCUIT TO OPERATE BELOW THE CARRIER CIRCUIT ON THE OPEN WIRE AND ONE CIRCUIT TO OPERATE ABOVE THE VOICE FREQ. FROM 4 KHZ TO 11 KHZ
Technical: 'D' CARRIER PROVIDES A SINGLE CARRIER CIRCUIT OVER A VOICE FREQUENCY CIRCUIT ECONOMICALLY OVER DISTANCES AS SHORT AS 50 MILES.
Area Notes: Unknown

Details

Markings: COVERS DESIGNATED 'LF'/ 'BAL', SIGI', 'DICARRIER', 'M3FI' 'DBF1'/ RELAYS DESIGNATED AS WELL AS MOST COMPONENTS AND TUBE SOCKETS/ CARD AFFIXED TO BACK READS: '"D" Type Carrier/ (half section only)/ Permits a total of 2/ telephone conversations/ on one pair of wires/ (16048)/ [REPEATED IN FRENCH]'
Missing: VACUUM TUBES
Finish: SILVER GRAY METAL WORK
Decoration: N/A

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If you choose to share our information about this collection object, please cite:

Western Electric Co., Carrier terminal, circa 1929, Artifact no. 1968.0141, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1968.0141.001/

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