Switching system

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Ingenium, 1973.0238.001
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OBJECT TYPE: AUTOMATIC
DATE: 1924
ARTIFACT NUMBER: 1973.0238.001

MANUFACTURER: Automatic Electric Co.
MODEL: KEITH LINE SWITCH
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: METAL, SYNTHERIC & WOODCONSTRUCTION. PT CASE IS GLASS & METAL

Dimensions

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

Length: 86.0 cm
Width: 65.0 cm
Height: 215.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

AKA: Automatic Electric
Country: United States of America
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Quebec
Period: THIS TYPE OF SWITCH USED C. 1924- 1970S (SEE REF.#2)
Canada: EXAMPLE OF THE EARLIEST DIAL SWITCHING SYSTEM USED BY BELL TELEPHONE IN CANADA. THIS SWITCH BELIEVED TO HAVE BEEN INSTALLED IN ATWATER ST. OFFICE IN MONTREAL. THIS TYPE OF SWITCH WAS THE FIRST USED IN NOVA SCOTIA (SEE REF. 2) IT WAS INSTALLED IN THE "LORNE" OFFICE IN HALIFAX IN 1924, AFTER THE HALIFAX EXPLOSION.
Function: USED AS "LINE-FINDER" OR FIRST SWITCH IN EARLY STEP-BY-STEP SWITCHING SYSTEMS. CAPIABLE OF HANDLING 200 LINES.
Technical: THE KEITH LINE SWITCH IS ONE OF THE EARLIEST OF AUTOMATIC ELECTRIC'S AUTOMATIC SYSTEMS, AND WAS A COMPETITOR OF BELL SYSTEM'S PANEL SYSTEMS IN THE U.S.A. IT COULD HANDLE 200 LINES, AND WAS ENCLOSED IN A GLASS CASE.
Area Notes: Unknown

Details

Markings: " L 10 " STENCILLED IN BLACK ON FRAME. NUMEROUS MARKINGS- NOT ACCESSIBLE AT TIME OF RE-CATALOGUING. (1997.01.09)
Missing: UNKNOWN
Finish: Unknown
Decoration: N/A

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Automatic Electric Co., Switching system, circa 1924, Artifact no. 1973.0238, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1973.0238.001/

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