Vacuum tube

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Ingenium, 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://collection.ingeniumcanada.org/en/id/1988.0286.001/

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