Vacuum tube

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Ingenium, 1999.0243.001
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OBJECT TYPE: MEDIUM MU TWIN TRIODE
DATE: Unknown
ARTIFACT NUMBER: 1999.0243.001

MANUFACTURER: RCA Victor Co. Ltd.
MODEL: 7N7
LOCATION: Montréal, Québec, Canada

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, BASE & PARTS/.2 CARDBOARD

Dimensions

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

Length: N/A
Width: 3.0 cm
Height: 6.9 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

AKA: RCA
Country: Canada
State/Province: Québec
City: Montréal

Context

Country: Canada
State/Province: Ontario
Period: Unknown
Canada: ONE OF COLLECTION OF VACUUM TUBES USED BY DONOR FOR HIS PART-TIME HOBBY OF ELECTRONICS SERVICING (DONOR'S HISTORY IN 1999.0217 SUPP. INFO.)
Function: GLASS LOCK-IN TYPE VACUUM TUBE USED AS VOLTAGE AMPLIFIER OR PHASE INVERTER IN RADIO EQUIPMENT.
Technical: Unknown
Area Notes: Unknown

Details

Markings: .1 WHITE LETTERING ON TUBE READS "7N7" & "RCA ELECTRON/ TUBE RCA [LOGO]/.2 WHITE & BLACK LETTERING ON BOX END READS "RCA/ 7N7" WITH WARRANTY INFORMATION PRINTED ON FLAP; WHITE & BLACK LETTERING ON BOX SIDES READS "RADIOTRON/ ELECTRON TUBE" WITH EITHER "RCA" LOGO OR "HIS MASTER'S VOICE" LOGO" ABOVE, & BELOW EITHER "RCA VICTOR/ COMPANY, LTD./Montreal, Canada", "The Fountainhead of/ Modern/ Tube Development is/ RCA", "World's Best-Known/ ELECTRON TUBES", OR "WARRANTED/ AGAINST DEFECTS/ IN WORKMANSHIP,/ MATERIALS/ AND CONSTRUCTION"
Missing: COMPLETE
Finish: .1 COLOURLESS TRANSPARENT GLASS; METALLIC BASE & PINS; GREY & BLACK INDOOR PARTS/.2 RED & BLACK EXTERIOR
Decoration: N/A

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

RCA Victor Co. Ltd., Vacuum tube, Unknown Date, Artifact no. 1999.0243, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1999.0243.001/

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