General Information

Serial #

N/A

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

TUBE: GLASS; METAL, SYNTHETIC/ CARTON: CARDSTOCK

Dimensions

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

Length

12.5 cm

Width

4.5 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

RADIO VALVE

Country

Canada

State/Province

Ontario

City

Toronto

Context

Country

Canada

State/Province

Unknown

Period

PROBABLY 1930'S

Canada

MADE & PROBABLY USED IN CANADA

Function

USED AS A SCREEN GRID RADIO FRQUENCY AMPLIFIER FOR RADIO RECEIVERS. USED IN CIRCUITS SPECIALLY DESIGNED TO MAKE USE OF ITS HIGH VOLTAGE AMPLIFICATION AND LOW FEEDBACK CAPACITY BETWEEN PLATE AND CONTROL GRID. (REF.2)

Technical

LAST-TUBE DESIGNED FOR DC FILAMENT OPERATION BY G.E. ENGINEERS DURING THE PERIOD 1921-1930. REDUCES THE ELECTROSTATIC CAPCITANCE OF THE TUBE WITH THE USE OF A SCREEN (REF.1)

Area Notes

Unknown

Details

Markings

TUBE: ON GLASS: 'RADIOTRONUX228/ RVC'/ MOLDED IN BASE BOTTOM: 'LICENSED ONLY TO EXTENT INDICATED ON CARTON'/ CARTON: PRINTING INCLUDES: 'RVC/ RADIOTRON/ MODEL/ UX-222/ SCREEN GRID/ RADIO FREQUENCY/ AMPLIFIER/.../ MANUFACTURED BY/ THE RADIO VALVE CO./ OF CANADA, LIMITED/ TORONTO CANADA'

Missing

N/A

Finish

TUBE: UNCOLOURED GLASS, BLACK SHELL/ CARTON: BEIGE WITH RED PRINTING

Decoration

N/A