General Information

Serial #

23978

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

Brass casing/ Glass/ Paper.

Dimensions

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

Length

15.8 cm

Width

7.0 cm

Height

11.4 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Communications

Category

Telegraphy

Sub-Category

N/A

Manufacturer

AKA

Weston

Country

United States of America

State/Province

New Jersey

City

Newark

Context

Country

Unknown

State/Province

Unknown

Period

Until the 1970's, judging by the wire.

Canada

In 1975 the Canadian Overseas Telecommunications Corporation (COTC), which had been founded in 1950, was re-named Teleglobe Canada. COTC was the exclusive provider of telecommunications services to and from Canada, initially relying on VHF radio facilities to do so. It adapted new technologies as they emerged, expanding its links around the world and was re-named to reflect this wider business scope.

Function

An instrument used for measuring the strength of an electrical current in milli-amperes. Can be used as differential ammeter.

Technical

The model 264 milli-ammeters were available in four different types. This is the "single differential milli-ammeter having three binding posts, comprising a divided shunt across the movable coil". They were designed for use on telegraph and telephone circuits to see if they were in balance.

Area Notes

Unknown

Details

Markings

On face: Graduated scale: '150 TO 0 TO 150/ MILLIAMPERE/ W.U. TEL. CO./ MODEL 264 NO. 23978' ; On front casing left: 'DASH' & 'DOT' ON RIGHT ; Front mfr.'s plate:'WESTON MIL-AMMETER./ PATENTED/ NOV.6,'88. APR.29,'90/ FEB17,'91. OCT.4,'98. JUL.16,'01./ OTHER PATENTS PENDING/ WESTON ELEC. INST. CO., NEWARK, N.J., U.S.A./ MODEL 264 NO.23978/ 0/ CORRECTOR ; 'S' & 'M' Scratched into casing over scale ; 'DASH' & 'DOT' Painted on each side of face, below scale ; COTC label '7383' affixed to back.

Missing

From CA of 09/24/1996 by Kevin Machan: No - Complete

Finish

Casing painted black.

Decoration

N/A