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, 1999.0197.001
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
MEDIUM-MU/AMPLIFIER, OSCILLATOR OR MODULATOR/AIR-CIRCULATION & RADIATION COOLED
DATE
1957
ARTIFACT NUMBER
1999.0197.001
MANUFACTURER
EITEL-MCCULLOUGH INC.
MODEL
EIMAC 750TL
LOCATION
San Carlos, California, United States of America

More Information


General Information

Serial #
IR-3395
Part Number
1
Total Parts
2
AKA
N/A
Patents
N/A
General Description
.1 GLASS & METAL TUBE..2 CARDBOARD BOX; SPUN (SYNTHETIC) FIBRE PACKING MATERIAL.

Dimensions

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

Length
40.5 cm
Width
39.5 cm
Height
64.0 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
EIMAC
Country
United States of America
State/Province
California
City
San Carlos

Context

Country
Canada
State/Province
Ontario
Period
THIS TYPE OF TUBE USED C. 1950S +. THIS TUBE USED C. 1970-1975+.
Canada
THIS TRANSMITTING TUBE WAS USED AT THE SIGNAL TRANSMISSION STATION OPERATED BY NRC AT IT'S GREENBANK ROAD, OTTAWA ON SITE.
Function
USED AS AN AMPLIFIER, OSCILLATOR OR MODULATOR POWER TRANSMITTING TUBE.
Technical
MEDIUM POWER TRIODE INTENDED FOR USE AS AN AMPLIFIER, OSCILLATOR, OR MODULATOR. IT HAS A MAXIMUM PLATE DISSIPATION RATING OF 750 WATTS ANDA MAXIMUM PLATE VOLTAGE RATING OF 10,000 VOLTS AT FREQUENCIES UP TO 40 MC. IT IS COOLED BY AIR-CIRCULATION & RADIATION. THIS TUBE WAS USED IN NRC'S TIME SIGNAL TRANSMISSION SITE ON GREENBANK RD, WHICH HAD AN OPERATING POWER OF 3000 WATTS.
Area Notes
Unknown

Details

Markings
.1 "JAN-CIM-750 TL/ [radiation symbol]/ MADE IN U.S.A./ TH 232/ 6133" & "Eimac/ 750 TL/ MADE IN U.S.A." printed in red on glass, near base. "750 TL/ USED" handwritten on box side panels; red "FRAGILE" symbol also printed on box. "Ray/ Boudreau/ M 19" handwritten in black on box top.
Missing
Box and packing material DE'd. Box was extremely acidic and disintegrating. Packing material was fusing together. See cataloguing notes.
Finish
.1 BROWN CAST TO GLASS; SILVER METAL BASE & COMPONENTS..2 BROWN CARDBOARD CONTAINER.
Decoration
N/A

CITE THIS OBJECT

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

EITEL-MCCULLOUGH INC., Vacuum tube, after 1957, Artifact no. 1999.0197, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1999.0197.001/

FEEDBACK

Submit a question or comment about this artifact.

More Like This


...
Vacuum tube

1975.0246.001

Object

...
Vacuum tube

1975.0244.001

Object

...
Box

1998.0810.002

Object

...
Vacuum tube

1973.0530.001

Object

...
Vacuum tube

1998.0810.001

Object

...
Vacuum tube

1973.0529.001

Object

...
Vacuum tube

1992.1121.001

Object

...
Vacuum tube

1969.1008.001

Object

...
Vacuum tube

1969.0955.001

Object

...
Vacuum tube

1969.0772.001

Object

...
Vacuum tube

1975.0135.001

Object

...
Vacuum tube

1969.0874.001

Object

...
Vacuum tube

1969.0906.001

Object

...
Vacuum tube

1969.1297.001

Object

...
Vacuum tube

1966.0637.001

Object

...
Vacuum tube

1975.0134.001

Object

...
Vacuum tube

1993.0058.001

Object

...
Vacuum tube

1969.0789.001

Object

...
Vacuum tube

1993.0059.001

Object

...
Vacuum tube

1969.0780.001

Object

...
Vacuum tube

1969.0775.001

Object

...
Vacuum tube

1975.0149.001

Object

...
Vacuum tube

1992.1120.001

Object

...
Vacuum tube

1966.0426.001

Object

...
Vacuum tube

1986.0554.001

Object

...
Vacuum tube

1993.0090.001

Object

...
Vacuum tube

1969.1476.001

Object

...
Vacuum tube

1966.0438.001

Object

...
Vacuum tube

1998.0744.001

Object

...
Vacuum tube

1982.0695.001

Object

...
Vacuum tube

1986.0734.001

Object

...
Vacuum tube

1995.0923.001

Object

...
Vacuum tube

1972.0046.001

Object

...
Vacuum tube

1993.0062.001

Object

...
Vacuum tube

1982.0713.001

Object

...
Vacuum tube

1993.0092.001

Object

...
Vacuum tube

1969.0767.001

Object

...
Vacuum tube

1986.0555.001

Object

...
Vacuum tube

1998.0743.001

Object

...
Vacuum tube

1986.0179.001

Object

...
Vacuum tube

1969.0532.001

Object

...
Vacuum tube

1975.0720.001

Object

...
Vacuum tube

1984.0114.001

Object

...
Vacuum tube

1989.0189.001

Object

...
Vacuum tube

1966.0558.001

Object

...
Vacuum tube

1992.1094.001

Object

...
Vacuum tube

1986.0614.001

Object

...
Vacuum tube

1990.0126.001

Object

...
Vacuum tube

1972.0045.001

Object

...
Vacuum tube

1966.0432.001

Object

...
Vacuum tube

1972.0897.001

Object

...
Vacuum tube

1982.0742.001

Object

...
Vacuum tube

1988.0670.001

Object

...
Vacuum tube

1967.0958.001

Object

...
Vacuum tube

1982.0737.001

Object

...
Vacuum tube

1992.2944.001

Object

...
Vacuum tube

1998.0795.001

Object

...
Vacuum tube

1992.2947.001

Object

...
Vacuum tube

1966.0415.001

Object

...
Vacuum tube

1986.0791.001

Object

...
Vacuum tube

1970.0159.001

Object

...
Vacuum tube

1995.0917.001

Object

...
Vacuum tube

1993.0119.001

Object

...
Vacuum tube

1998.0735.001

Object

...
Vacuum tube

1995.0918.001

Object

...
Vacuum tube

1992.1092.001

Object

...
Vacuum tube

1993.0117.001

Object

...
Vacuum tube

1998.0620.001

Object

...
Vacuum tube

1998.0732.001

Object

...
Vacuum tube

1986.0567.001

Object

...
Vacuum tube

1972.0042.001

Object

...
Vacuum tube

1982.0711.001

Object

...
Vacuum tube

1982.0754.001

Object

...
Vacuum tube

1966.0428.001

Object

...
Vacuum tube

1993.0112.001

Object

...
Vacuum tube

1967.0939.001

Object

...
Vacuum tube

1982.0748.001

Object

...
Vacuum tube

1994.0290.001

Object

...
Vacuum tube

1982.0722.001

Object

...
Vacuum tube

1998.0796.001

Object

...
Vacuum tube

1966.0563.001

Object

...
Vacuum tube

1993.0056.001

Object

...
Vacuum tube

1989.0183.001

Object

...
Vacuum tube

1986.0578.001

Object

...
Vacuum tube

1982.0753.001

Object

...
Vacuum tube

1998.0615.001

Object

...
Vacuum tube

1998.0616.001

Object

...
Vacuum tube

1969.1469.001

Object

...
Vacuum tube

1969.0852.001

Object

...
Vacuum tube

1975.0684.001

Object

...
Vacuum tube

1988.0667.001

Object

...
Vacuum tube

1982.0732.001

Object

...
Vacuum tube

1969.1459.001

Object

...
Vacuum tube

1982.0726.001

Object

...
Vacuum tube

1995.0896.001

Object

...
Vacuum tube

1966.0573.001

Object

...
Vacuum tube

1982.0735.001

Object

...
Vacuum tube

1969.0876.001

Object

...
Vacuum tube

1969.1470.001

Object

...
Vacuum tube

1966.0645.001

Object