Vacuum tube

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Ingenium, 1984.0177.001
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OBJECT TYPE: BROADCASTING/WATER-COOLED
DATE: 1940
ARTIFACT NUMBER: 1984.0177.001

MANUFACTURER: Unknown
MODEL: 561
LOCATION: Unknown

More Information

General Information

Serial #: 561
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: COPPER PLATE, MOUNTING RING, COPPER OR OTHER NON-MAGNETIC PLATE MATERIAL, SILVER PLTED GRID RING ASSEMBLY, PERHAPS A NICKEL ALLOY, COPPER FILAMENT PINS, GLASS ENVELOPE, INTERNAL COPPER COLOURED GRID SHIELD AND PLATE EXTENSION

Dimensions

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

Length: 38.0 cm
Width: 14.3 cm
Height: 14.3 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Vacuum Tubes
Category: Transmitting
Sub-Category: N/A

Manufacturer

AKA: Unknown
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: North America
State/Province: Unknown
Period: 1940-1960
Canada: Unknown
Function: USED IN A BROADCAST TRANSMITTER AS A FINAL AMPLIFIER TUBE/ 25-50 KW POWER OUTPUT, RANGE
Technical: NIL
Area Notes: Unknown

Details

Markings: '186' ONPLATE MOUNTING RING/ '561' STAMPED INSIDE GLASS ENVELOPE
Missing: INTERNAL STRUCTURE DAMAGED/ PORTIONS OF GRID STRUCTURE LOOSE INSIDE ENVELOPE
Finish: EXTERNAL PLATE MATERIAL, BLACK/ INTERNAL STRUCTURE COPPERCOLOUR/ TOP RING SILVER PLATED/ NATURAL COLOUR FILAMENT CONNECTORS/ RED TRIM AROUND BASE OF FILAMENT CONNECTORS
Decoration: NIL

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

Unknown Manufacturer, Vacuum tube, circa 1940, Artifact no. 1984.0177, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1984.0177.001/

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