Ringer bay, telephone

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Ingenium, 1968.0306.001
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OBJECT TYPE: 1000/20 SUPPLY
DATE: 1930
ARTIFACT NUMBER: 1968.0306.001

MANUFACTURER: Western Electric Co.
MODEL: 802B
LOCATION: 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: STEEL RELAY RACK/ BAKELITE MOUNTING PANELS/ GLASS FACES ON METERS/ 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: 32.0 cm
Height: 160.0 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: United States of America
State/Province: Unknown
City: Unknown

Context

Country: North America
State/Province: Unknown
Period: 1930-1950
Canada: AN EXAMPLE OF SIGNALLING APPARATUS USED ON EARLY HIGH USAGE, OPERATOR HANDLED, MANUAL SWITCHED, TOLL CIRCUITS
Function: PROVIDES 1000 HERTZ MODULATED BY 20 HERTZ RINGING FREQUENCY CURRENT FOR SIGNALLING ON CARRIER CHANNELS OR REPEATERED TELEPHONE CIRCUITS
Technical: AN EARLY STEP IN THE EVOLUTION OF TOLL SYSTEM SIGNALLING
Area Notes: Unknown

Details

Markings: WESTERN ELECTRIC NAME PLATE MOUNTED ON TOP OF RINGING MACHINE PANEL/ RINGING MACHINES HAVE RING 1000~ MGI AND RING 1000~MGI RATES PLUS OPERATING INFORMATION PLATES/ METER IS CALIBRATED 0 TO 10 VOLTS WITH OPERATING INFORMATION ON SCALE/ SENSITROL IS CALIBRATED 50-100 MICROAMPS
Missing: SENSITROL - RELAY/METER CRACKED
Finish: RELAY RACK, SILVER GRAY/ MOUNTING PANELS, BLACK/ RINGING MACHINES, GLOSSY BLACK/ ATTENUATORS, BLACK/ METER CASE, BLACK
Decoration: N/A

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Western Electric Co., Ringer bay, telephone, circa 1930, Artifact no. 1968.0306, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1968.0306.001/

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