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:

Copyright Ingenium / CC BY-NC-ND (Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

ATTRIBUTE THIS IMAGE

Ingenium, 1993.0059.001
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
RF AF POWER AMPLIFIER/OSCILLATOR
DATE
1932–1949
ARTIFACT NUMBER
1993.0059.001
MANUFACTURER
Northern Electric
MODEL
271A
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
15.8 cm
Width
6.0 cm
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Vacuum Tubes
Category
Transmitting
Sub-Category
N/A

Manufacturer

AKA
Northern Electric
Country
Canada
State/Province
Unknown
City
Unknown

Context

Country
Unknown
State/Province
Unknown
Period
Unknown
Canada
Unknown
Function
USED FOR MODERATE POWER TO AMPLIFY, MODULATE OR OSCILLATE AF AND RF CIRCUITS IN OSCILLATORS, POLICE RADIOS, AMPLIFIERS ETC.
Technical
TYPE SAMPLE
Area Notes
Unknown

Details

Markings
"HOT-BRANDED" ON BASE: 'NORTHERN ELECTRIC/ MADE IN CANADA/ 271A'
Missing
N/A
Finish
UNCOLOURED GLASS/ BLACK BASE
Decoration
N/A

CITE THIS OBJECT

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

Northern Electric, Vacuum tube, circa 1932–1949, Artifact no. 1993.0059, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1993.0059.001/

FEEDBACK

Submit a question or comment about this artifact.

More Like This


...
Vacuum tube

1993.0090.001

Object

...
Vacuum tube

1969.1493.001

Object

...
Vacuum tube

1969.1492.001

Object

...
Vacuum tube

1966.0515.001

Object

...
Vacuum tube

1969.1279.001

Object

...
Vacuum tube

1969.0586.001

Object

...
Vacuum tube

1969.1280.001

Object

...
Vacuum tube

1969.0788.004

Object

...
Vacuum tube

1969.0862.001

Object

...
Vacuum tube

1969.0494.001

Object

...
Vacuum tube

1969.0955.001

Object

...
Vacuum tube

1966.0590.001

Object

...
Vacuum tube

1972.0583.001

Object

...
Vacuum tube

1966.0589.001

Object

...
Vacuum tube

1966.0591.001

Object

...
Vacuum tube

1974.0037.001

Object

...
Vacuum tube

1969.1494.001

Object

...
Vacuum tube

1975.0145.001

Object

...
Vacuum tube

1985.0665.001

Object

...
Vacuum tube

1969.1008.001

Object

...
Vacuum tube

1969.0788.002

Object

...
Vacuum tube

1969.0788.001

Object

...
Vacuum tube

1969.0788.003

Object

...
Vacuum tube

1974.0042.001

Object

...
Vacuum tube

1974.0041.001

Object

...
Vacuum tube

1988.0352.001

Object

...
Vacuum tube

1969.0411.001

Object

...
Vacuum tube

1975.0137.001

Object

...
Vacuum tube

1974.0051.001

Object

...
Vacuum tube

1982.0719.001

Object

...
Vacuum tube

1969.0852.001

Object

...
Vacuum tube

1992.1141.001

Object

...
Vacuum tube

1975.0134.001

Object

...
Vacuum tube

1994.0259.001

Object

...
Vacuum tube

1994.0248.001

Object

...
Vacuum tube

1972.0066.001

Object

...
Vacuum tube

1992.1121.001

Object

...
Vacuum tube

1993.0058.001

Object

...
Vacuum tube

1969.0780.001

Object

...
Vacuum tube

1990.0126.001

Object

...
Vacuum tube

1974.0591.001

Object

...
Vacuum tube

1969.0802.001

Object

...
Vacuum tube

1967.0939.001

Object

...
Vacuum tube

1969.1266.001

Object

...
Vacuum tube

1969.1267.001

Object

...
Vacuum tube

1993.0094.001

Object

...
Vacuum tube

1972.0046.001

Object

...
Vacuum tube

1966.0428.001

Object

...
Vacuum tube

1969.0784.001

Object

...
Vacuum tube

1992.1603.001

Object

...
Vacuum tube

1975.0512.001

Object

...
Vacuum tube

1967.0924.001

Object

...
Vacuum tube

1980.0381.001

Object

...
Vacuum tube

1980.0382.001

Object

...
Vacuum tube

1971.0635.001

Object

...
Vacuum tube

1992.1092.001

Object

...
Vacuum tube

1969.0804.001

Object

...
Vacuum tube

1994.0257.001

Object

...
Vacuum tube

1982.0748.001

Object

...
Vacuum tube

1992.1604.001

Object

...
Vacuum tube

1969.1495.001

Object

...
Vacuum tube

1972.0891.001

Object

...
Vacuum tube

1986.0564.001

Object

...
Vacuum tube

1993.0056.001

Object

...
Vacuum tube

1966.0357.001

Object

...
Vacuum tube

1969.1263.001

Object

...
Vacuum tube

1986.0554.001

Object

...
Vacuum tube

1993.0093.001

Object

...
Vacuum tube

1993.0062.001

Object

...
Vacuum tube

1972.0892.001

Object

...
Vacuum tube

1982.0695.001

Object

...
Vacuum tube

1992.1132.001

Object

...
Vacuum tube

1993.0092.001

Object

...
Vacuum tube

1972.0064.001

Object

...
Vacuum tube

1969.0803.001

Object

...
Vacuum tube

1969.0767.001

Object

...
Vacuum tube

1993.0065.001

Object

...
Vacuum tube

1982.0713.001

Object

...
Vacuum tube

1969.0793.001

Object

...
Vacuum tube

1982.0722.001

Object

...
Vacuum tube

1969.0795.001

Object

...
Vacuum tube

1966.0426.001

Object

...
Vacuum tube

1969.0857.001

Object

...
Vacuum tube

1998.0743.001

Object

...
Vacuum tube

1988.0354.001

Object

...
Vacuum tube

1966.0621.001

Object

...
Vacuum tube

1969.1460.001

Object

...
Vacuum tube

1989.0282.001

Object

...
Vacuum tube

1982.0720.001

Object

...
Vacuum tube

1966.0432.001

Object

...
Vacuum tube

1972.0065.001

Object

...
Vacuum tube

1969.0486.001

Object

...
Vacuum tube

1972.0045.001

Object

...
Vacuum tube

1974.0044.001

Object

...
Vacuum tube

1981.1659.001

Object

...
Vacuum tube

1966.0370.001

Object

...
Vacuum tube

1998.0810.001

Object

...
Vacuum tube

1971.0667.001

Object

...
Vacuum tube

1975.0246.001

Object

...
Vacuum tube

1970.1511.001

Object