General Information

Serial #

N/A

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

GLASS/ METAL/ BRASS/ SYNTHETIC INSERT/ PAPER/ CARDBOARD

Dimensions

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

Length

11.4 cm

Width

5.7 cm

Height

N/A

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Vacuum Tubes

Category

Receiving

Sub-Category

N/A

Manufacturer

AKA

Westinghouse

Country

Canada

State/Province

Ontario

City

Hamilton

Context

Country

Unknown

State/Province

Unknown

Period

1920'S

Canada

Unknown

Function

USED AS A DETECTOR & AMPLIFIER IN HOUSEHOLD RADIO RECEIVERS OPERATING FROM DRY CELLS

Technical

FIRST BROADCAST TYPE TUBE TO HAVE AN OXIDE-COATED FILAMENT/ WORLD'S FIRST TUBE TYPE DESIGNED FOR OPERATION FROM A SINGLE DRY CELL FOR USE IN DOMESTIC HOUSEHOLD RECEIVERS

Area Notes

Unknown

Details

Markings

ETCHED ON GLASS: 'W/ WE & M CO/ RCA [LOGO]'/ DECALS AFFIXED TO BASE READ: 'RADIOTRON/ TYPE WD-11/ STYLE 319533/ PATENTED/ RCA/ LICENSED ONLY FOR/ AMATEUR, EXPERIMENTAL/ AND ENTERTAINMENT USE/ AND ONLYTO EXTENT/ INDICATED/ [?] ATTACHED NOTICE'/ PRINTING ON BOX LABEL READS IN PART: 'W/ CANADIAN/ WESTINGHOUSE/ Radiotron/ TYPE WD-11/ STYLE 319533/ Detector/ AND/ Amplifier/ (AERIOTRON)/ Manufactured by/ Canadian Westinghouse Company/ Limited/ Hamilton Canada'

Missing

N/A

Finish

UNCOLOURED GLASS/ GOLD PAINTED BASE/ BROWN BASE INSERT/ BROWN BOX

Decoration

N/A