Repeater, telegraph

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Ingenium, 1968.0146.001
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OBJECT TYPE: ONE WAY POLAR
DATE: 1930
ARTIFACT NUMBER: 1968.0146.001

MANUFACTURER: NORTHERN ELECTRIC CO.
MODEL: 13B1
LOCATION: Blue Island, Illinois, United States of America

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: METAL RACK/ SYNTHETIC KNOBS & SWITCHES/ WOODEN SOUNDER BASE & FRONT COVER/ GLASS DIAL COVER/ 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: 52.0 cm
Width: 38.0 cm
Height: 158.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Communications
Category: Telegraphy
Sub-Category: N/A

Manufacturer

AKA: NORTHERN ELECTRIC
Country: United States of America
State/Province: Illinois
City: Blue Island

Context

Country: Canada
State/Province: Unknown
Period: 1930-1940
Canada: Unknown
Function: USED TO TRANSMIT TELEGRAPH SIGNALS BETWEEN CENTRAL OFFICES OR FROM A CENTRAL OFFICE TO A DISTANT OFFICE. BETWEEN CITIES, THE TELEGRAPH SIGNAL WAS CARRIED BELOW THE VOICE SIGNAL, THUS A VOICE SIGNAL AND A TELEGRAPH SIGNAL COULD BE CARRIED OVER THE SAME PAIR OF WIRES.
Technical: AN EXAMPLE OF EARLY TELEGRAPH TRANSMISSION SYSTEMS USED PRIOR TO VOICE FREQUENCY MULTI CHANNEL CARRIER SYSTEMS
Area Notes: Unknown

Details

Markings: RESISTANCE VALVES AND PANEL POSITIONS DESIGNATED WITH RED STENCIL/ BAY '1602' ON BRACKET/ METERS CALIBRATED
Missing: TEST CORD IN POOR CONDITION/ SPARE JACK HOLE FILLER PLUGS
Finish: RELAY RACK SILVER GRAY/CAPACITORS FLAT BLACK/ PANELS AND TEST SHELF, BLACK/ METER CASES, BLACK/ POLAR RELAY COVERS, GRAY/ CIRCUIT IDENTIFICATION PANEL, GRAY
Decoration: N/A

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NORTHERN ELECTRIC CO., Repeater, telegraph, circa 1930, Artifact no. 1968.0146, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1968.0146.001/

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