Vacuum tube

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OBJECT TYPE
SHARP CUTOFF/RF AMPLIFIER
DATE
1925
ARTIFACT NUMBER
1969.0512.001
MANUFACTURER
Rogers
MODEL
32
LOCATION
Canada

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
GLASS/ SYNTHETIC/ METAL

Dimensions

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

Length
12.9 cm
Width
4.0 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
Rogers
Country
Canada
State/Province
Unknown
City
Unknown

Context

Country
Unknown
State/Province
Unknown
Period
Unknown
Canada
ONE OF THE FIRST COMMERCIALLY PRACTICAL AC TUBES MANUFACTURED IN CANADA
Function
USED AS A RADIO FREQUENCY AMPLIFIER IN BATTERY-OPERATED RADIO RECEIVERS WHERE ECONOMY OF FILAMENT-CURRENT DRAIN IS IMPORTANT
Technical
ONE OF THE FIRST AC TUBE TYPES MANUFACTURED/ ROGERS DEVELOPED A BETTER INSULATOR FOR THE HEATER & REDESIGNED THE HEATER SO THAT THE AC HUM WAS GREATLY REDUCED OVER THE ORIGINAL MCCULLOUGH DESIGN
Area Notes
Unknown

Details

Markings
PRINTED ON GLASS: 'Rogers/ A.C. Tube/ Type 32 [IN CURSIVE]'
Missing
N/A
Finish
UNCOLOURED GLASS/ BLACK BASE & CAP
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Rogers, Vacuum tube, circa 1925, Artifact no. 1969.0512, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0512.001/

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