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