Vacuum tube

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Ingenium, 1998.0613.001
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OBJECT TYPE: RF AMPLIFIER SHARP CUT-OFF/PENTODE
DATE: 1957
ARTIFACT NUMBER: 1998.0613.001

MANUFACTURER: General Electric
MODEL: 12SH7
LOCATION: Unknown

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 2
AKA: N/A
Patents: N/A
General Description: .1 METAL CASING & PINS, SYNTHETIC BASE/.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: 3.1 cm
Height: 6.5 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: General Electric
Country: Unknown
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. MFD. AND/OR DISTRIBUTED BY CANADIAN COMPANY.
Function: METAL TYPE VACUUM TUBE USED AS RF AMPLIFIER IN AC/DC RECEIVERS INVOLVING HIGH FREQUENCY WIDE BAD APPLICATIONS & AS LIMITER TUBE IN FM EQUIPMENT.
Technical: EXAMPLE OF SHARP CUT-OFF PENTODE.
Area Notes: Unknown

Details

Markings: .1 SILVER LETTERING ON TUBE READING "GE [LOGO]/ Electronic/ TUBE/ 12SH7/ R"; INCISED LETTERING ON SIDE OF BASE READS "12SH7 D"/.2 BLACK LETTERING ON BOX END READS "12SH7/ USA" WITH "GE" LOGO; BLACK LETTERING ON BOX SIDES READS "Electronic [SCRIPT]/ TUBE", "Progress is Our/ Most Important Product/ A Product of/ CANADIAN GENERAL ELECTRIC/ COMPANY LIMITED/ PRINTED IN CANADA"; RED LETTERING ON FLAP READS ""CARTON/ PATENT NO./ 542,977"
Missing: COMPLETE
Finish: .1 BLACK CASING & BASE; METALLIC PINS/.2 ORANGE & GREY EXTERIOR
Decoration: .2 "GE" LOGO ON 4 SIDES & END

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

General Electric, Vacuum tube, after 1957, Artifact no. 1998.0613, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1998.0613.001/

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