Vacuum tube

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Ingenium, 1998.0747.001
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OBJECT TYPE: PHOTOTUBE
DATE: 1957
ARTIFACT NUMBER: 1998.0747.001

MANUFACTURER: RCA
MODEL: 917
LOCATION: United States of America

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 2
AKA: N/A
Patents: N/A
General Description: .1 GLASS ENVELOPE; METAL PINS, TIP & PARTS; SYNTHETIC BASE/.2 CARDBOARD BOX

Dimensions

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

Length: N/A
Width: 2.7 cm
Height: 11.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Vacuum Tubes
Category: Photoemissive
Sub-Category: N/A

Manufacturer

AKA: RCA
Country: United States of America
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Ontario
Period: Unknown
Canada: FROM COLLECTION OF VACUUM TUBES DONATED TO CSTM BY CANADIAN GOVERNMENT DEPARTMENT NATURAL RESOURCES CANADA.
Function: PHOTOTUBE USED FOR RELAYS & MEASUREMENTS.
Technical: EXAMPLE OF PHOTOTUBE.
Area Notes: Unknown

Details

Markings: .1 SILVER LETTERING ON BASE READS "RCA/ RADIOTRON/ ELECTRON/ TUBE RCA [LOGO]", "917", "MADE IN/ U.S.A./ 57-48"; RED LETTERING ON BASE READS"42303/ Marconi [SCRIPT]/ RADIOTRON RVC [LOGO]"; RAISED LETTERING ON UNDERSIDE OF BASE READS "LICENSED ONLY TO EXTENT/ INDICATED ON CARTON"/.2 BLACK LETTERING ON BOX END READS "917/ MARCONI/ RADIOTRON"; BLACK & WHITE LETTERING ON BOX SIDES READS "Marconi [SCRIPT]/ RVC [LOGO]/ CANADIAN MARCONI/ COMPANY/ RADIOTRON", "MARCONI/ RVC [LOGO]/ RADIOTRON/ THE RVC [LOGO] MONO-/ GRAM IS THE/ MARK OF UNEX-/ CELLED RADIO/ TUBE DESIGN/ AND EFFICIENCY/ CANADIAN MARCONI COMPANY"; "CARTON/ PATENT NO./ 542,977"
Missing: COMPLETE
Finish: .1 COLOURLESS TRANSPARENT GLASS; BLACK BASE; METALLIC PINS & TIP/.2 RED & BLACK EXTERIOR
Decoration: .2 JAGGED WHITE STRIPE; WHITE STYLIZED GLOBE ON SIDES

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

RCA, Vacuum tube, after 1957, Artifact no. 1998.0747, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1998.0747.001/

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