Vacuum tube
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1999.0197.001
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- 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/item/1999.0197.001/
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