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, 1988.0352.001
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: LOW POWER AMPLIFIER
DATE: 1922–1944
ARTIFACT NUMBER: 1988.0352.001

MANUFACTURER: NORTHERN ELECTRIC CO.
MODEL: R216A
LOCATION: Montreal, Quebec, Canada

More Information

General Information

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

Dimensions

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

Length: 10.5 cm
Width: 5.6 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: Quebec
City: Montreal

Context

Country: Unknown
State/Province: Unknown
Period: Unknown
Canada: MADE & USED IN CANADA
Function: USED AS AN AMPLIFIER & OSCILLATOR BUT IS PRIMARILY DESIGNED FOR AF AMPLIFICATION. IT IS USED EXTENSIVELY IN LOUD SPEAKER AMPLIFYING APPARATUS/ THIS TUBE TYPE USED IN AMERICAN & MEXICAN TRAIN-DISPATCHING EQUIPMENT; 7A AMPLIFIERS; & 12A LOUDSPEAKING EQUIPMENT.
Technical: ESSENTIALLY A 101D TYPE WITH WIDER TOLERANCES IN THE CHARACTERISTICS. IT HAS EXCEPTIONAL CLARITY & POWER.
Area Notes: Unknown

Details

Markings: ENGRAVED ON BASE: '216-A/ MADE IN CANADA/ NORTHERN/ ELECTRIC CO./ LIMITED/ PATENTED 1916/PATENTED 1917/ PATENTED 1920/ 3 PATS/ PATENTED 1921/ PATENTED 1922/ 5 PATS'/ PRINTED ON BOX END: 'R216-A/ VACUUM TUBE/ (AMPLIFIER)/ Northern Electric Company/ LIMITED/ MONTREAL/ MADE IN CANADA'
Missing: From CA of 05/04/1998 by Pat Montero: No - Complete
Finish: UNCOLOURED GLASS/ VARNISHED METAL BASE/ DARK BROWN BOTTOM/ BLUE, ORANGE & WHITE BOX
Decoration: N/A

CITE THIS OBJECT

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

NORTHERN ELECTRIC CO., Vacuum tube, circa 1922–1944, Artifact no. 1988.0352, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1988.0352.001/

FEEDBACK

Submit a question or comment about this artifact.