General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

MACHINED STEEL NICKLE-PLATED BODY/ DURALUMINUM DIAPHRAGM/ BRASS BRIDGE/ CARBON BUTTONS/ MISC STEEL HARDWARE

Dimensions

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

Length

N/A

Width

8.5 cm

Height

5.5 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Communications

Category

Radio

Sub-Category

N/A

Manufacturer

AKA

NORTHERN ELECTRIC

Country

Canada

State/Province

Unknown

City

Unknown

Context

Country

North America

State/Province

Unknown

Period

1926 TO 1940

Canada

MADE IN CANADA/ USED IN EARLY CANADIAN BROADCASTING

Function

USED TO PICK UP SOUND, SUCH AS VOICE, MUSIC ETC. AND CONVERT IT TO COMPLEX ALTERNATING CURRENTS WHICH ARE AMPLIFIED AND TRANSMITTED AS RADIO SIGNALS

Technical

ONE OF THE SERIES OF DOUBLE-BUTTON CARBON MICS WITH STRETCHED DIAPHRAGMS INTRODUCED BY WESTERN ELECTRIC IN 1920/ THEY HAD IMPROVED SOUND QUALITY BUT HAD REDUCED SENSITIVITY SO REQUIRED MORE AMPLIFICATION

Area Notes

Unknown

Details

Markings

STAMPED: 'NORTHERN ELECTRIC/ COMPANY LIMITED/ 1919. 1924. 1926./ R387'/ ON REVERSE SIDE: 'B'

Missing

MOUNTING HOOKS AROUND EDGE

Finish

NICKLE PLATED

Decoration

N/A