Vacuum tube
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1988.0286.001
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- OBJECT TYPE
- ICONOSCOPE
- DATE
- 1940
- ARTIFACT NUMBER
- 1988.0286.001
- MANUFACTURER
- Radio Corp. of America
- MODEL
- 1850A
- LOCATION
- Harrison, New Jersey, United States of America
More Information
General Information
- Serial #
- 7634
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS ENVELOPE/ SYNTHETIC BASE/ METAL, GLASS, SYNTHETIC & CERAMIC WORKING PARTS/ CARDBOARD BOX
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 35.0 cm
- Width
- 16.5 cm
- Height
- 22.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Television
- Sub-Category
- N/A
Manufacturer
- AKA
- RCA
- Country
- United States of America
- State/Province
- New Jersey
- City
- Harrison
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- PROBABLY USED WELL AFTER WWII (CA. 1950'S)
- Canada
-
USED IN CANADA - Function
-
USED AS A PICK-UP TUBE IN EARLY B & W T.V. CAMERAS, RECEIVERS, & STUDIO SYSTEMS - Technical
-
GOOD EXAMPLE OF WHAT IS NOW A RARE EARLY T.V. CAMERA TUBE./ TUBE WAS DEVELOPED BY VLADIMIR ZWORYKIN FOR RCA FROM ABOUT 1929 TO 1934. IT WAS REPLACED BY THE VIDICON TUBE IN 1954. [REF 5] - Area Notes
-
Unknown
Details
- Markings
- STAMPED ON TUBE: '1850A'/ PRINTED ON BASE: 'RCA/ RADIOTRON/ ELECTRON/TUBE RCA [LOGO]/ MADE IN/ U.S.A./ W[IN CIRCLE]/ 30c/ 7634'/ HANDWRITTEN ON FACE: '75 HRS a OTTAWA/ FAIR QUALITY-/ USEFUL'/ HANDWRITTEN INSIDE GLASS ENVELOPE: '1.5 36 0/0/ 9017/ T883'/ PAINTED NEAR BASE: 'T883' & ON SIDE: '1755 7055'/ BOX READS IN PART: 'RCA [LOGO]/ 1850-A/ ELECTRON TUBE/ RADIO CORPORATION/ OF AMERICA/ Harrison, N.J./ MARCAS REGISTRADAS. MADE IN U.S.A./ VERY DELICATE/ INSTRUMENT/ DO NOT DROP/ CATHODE-RAY TUBE'
- Missing
- N/A
- Finish
- UNCOLOURED GLASS ENVELOPE WITHSOME GREY PAINT INSIDE/ BLACK BASE/ RED, BLACK & WHITE LABELS & YELLOW AND RED LABELS.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Radio Corp. of America, Vacuum tube, circa 1940, Artifact no. 1988.0286, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1988.0286.001/
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