Switchboard, PBX

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Ingenium, 1966.0609.001
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OBJECT TYPE: CORD BOARD/COMMON BATTERY/SINGLE POSITION
DATE: 1925–1935
ARTIFACT NUMBER: 1966.0609.001

MANUFACTURER: American Electric Co.
MODEL: Unknown
LOCATION: Chicago, 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: WOODEN CASE/ BRASS TERMINALS/ BAKELITE JACK STRIPS/ STEEL LAMP STRIPS/ BRASS & COPPER TELEPHONE JACKS &LAMP SOCKETS/ STEEL RELAY MOUNTING FRAME, RELAYS, INDUCTORS & BUZZER/ PLATED STEEL HINGES/ COPPER WIRING COTTON INSULATED/ BRASS CORD WEIGHT WELL.

Dimensions

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

Length: 102.0 cm
Width: 50.0 cm
Height: 46.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

AKA: American Electric
Country: United States of America
State/Province: Illinois
City: Chicago

Context

Country: North America
State/Province: Unknown
Period: USED IN THE 1920S AND 1930S
Canada: NIL
Function: USED TO PROVIDE A MANUAL, RANDOM CONNECTION POINT FOR A GROUP OF TELEPHONE CIRCUITS. THIS INCLUDES SIGNALING AND OPERATOR ASSISTANCE.
Technical: SAMPLE OF EARLY SMALL PBX (PRIVATE BRANCH EXCHANGE) TECHNOLOGY
Area Notes: Unknown

Details

Markings: MFG'S PLATE ON FRONT: 'American Electric/ Co/ Made in U.S.A. Chicago'/ JACK FIELD DESIGNATED: '101' THROUGH '112'; '201' THROUGH '225'; '301' THROUGH '315'; 'KIT' 'BAR'; [5 NON-DESIGNATED JACKS & LAMPS]/ TERMINALS ON BACKBOARD: NUMBERING NOT CLEAR BUT SEEMS TO DUPLICATE JACK FIELD NUMBERING/ HANDWRITTEN ON REAR RELAY ASSEMBLY: '1C' '2A' '3A' '3C' 'LINE/ PILOT'
Missing: 1 CORD SET/ 1 LAMP STRIP/ COVER/ JACK ASSEMBLY FOR OPERATORS HEADSET/ 1 RELAY COVER, CORD STRIP OR PLATE/ REAR DOOR (BACK BOARD) BROKEN OFF & ALL CONNECTING WIRES DISCONNECTED/ CAPACITRS HANGING FROM CONNECTIONS.
Finish: CASE: VARNISH; RELAY MOUNT AND RELAY COVER: BLACK ENAMEL
Decoration: N/A

CITE THIS OBJECT

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

American Electric Co., Switchboard, PBX, circa 1925–1935, Artifact no. 1966.0609, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1966.0609.001/

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