General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

GLASS/ METAL/ SYNTHETIC/ CARTON: PAPER AROUND WOOD

Dimensions

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

Length

6.6 cm

Width

2.8 cm

Height

N/A

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Vacuum Tubes

Category

Telephone

Sub-Category

N/A

Manufacturer

AKA

Northern Electric

Country

Canada

State/Province

Québec

City

Montréal

Context

Country

Canada

State/Province

Unknown

Period

C.1920'S

Canada

MADE & AVAILABLE IN CANADA

Function

USED AS AN AUDIO & INTERMEDIATE FREQUENCY AMPLIFIER, DETECTOR OR OSCILLATOR

Technical

DEVELOPMENT STARTED BY WESTERN ELECTRIC DURING WWI FOR USE IN BATTERY-OPERATED RADIO TRENCH SETS/ FIRST AMERICAN SMALL TUBE TYPE/ POSSIBLY THE FIRST BUE EQUIPPED WITH A MOULDED BASE

Area Notes

Unknown

Details

Markings

TUBE:ON GLASS: 'GRADE 2'/ CARTON: TWICE- 'Northern Electric Company/ LIMITED/ Grade 2 Red Tip R215-a "Peanut" Vacuum Tube/ No Guarantee/ See Printed notice within/ Patented 1917-1920-1921-1922-2 Patents/ Not licensed for sale in the U.S.A./ GRADE 2/ RED TIP/ NOR-LECTRIC/ PEANUT TUBE/ Made in Canada'

Missing

From CA of 05/07/1998 by Pat Montero: No - Complete

Finish

UNCOLOURED GLASS WITH RED PAINTED TIP/ BLACK SHELL/ CARTON: WINE WITH BLACK PRINTING

Decoration

N/A