Vacuum tube

Use this image

Can I reuse this image without permission? Yes

Object images on the Ingenium Collection’s portal have the following Creative Commons license:

ATTRIBUTE THIS IMAGE

Ingenium, 1969.0484.001
Permalink:

Ingenium is releasing this image under the Creative Commons licensing framework, and encourages downloading and reuse for non-commercial purposes. Please acknowledge Ingenium and cite the artifact number.

DOWNLOAD IMAGE

PURCHASE THIS IMAGE

This image is free for non-commercial use.

For commercial use, please consult our Reproduction Fees and contact us to purchase the image.

OBJECT TYPE: POWER AMPLIFIER
DATE: 1919–1930
ARTIFACT NUMBER: 1969.0484.001

MANUFACTURER: NORTHERN ELECTRIC CO. LTD.
MODEL: 205B
LOCATION: Canada

More Information

General Information

Serial #: 5306
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: GLASS/ METAL BASE & WORKING PARTS/ SYNTHETIC

Dimensions

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

Length: 10.6 cm
Width: 5.9 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: Unknown
City: Unknown

Context

Country: North America
State/Province: Unknown
Period: Unknown
Canada: MADE & USED IN CANADA
Function: USED FOR RADIOTELEPHONE BETWEEN AIRCRAFT & SHIPS; AIR-TO-AIR; & SHIP-TO-SHIP
Technical: AN IMPROVEMENT ON THE 205A - HAS A PHENOLIC INSERT IN THE BASE INSTEAD OF WAX TO WITHSTAND THE HIGH OPERATING TEMPERATURE
Area Notes: Unknown

Details

Markings: PRINTED ON GLASS: '5306'/ STAMPED IN BASE: '205B/ MADE IN CANADA/ NORTHERN/ ELECTRIC CO./ LIMITED/ PATENTED 1916/ PATENTED 1917/ PATENTED 1920/ 3 PATS/ PATENTED 1921/ 2 PATS/ PATENTED 1922/ 4 PATS'
Missing: From CA of 05/01/1998 by Pat Montero: No - Complete
Finish: UNCOLOURED GLASS/ UNFINISHED METAL BASE/ BROWN INSERT
Decoration: N/A

CITE THIS OBJECT

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

NORTHERN ELECTRIC CO. LTD., Vacuum tube, between 1919–1930, Artifact no. 1969.0484, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1969.0484.001/

FEEDBACK

Submit a question or comment about this artifact.