Vacuum tube

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Ingenium, 1999.0239.001
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OBJECT TYPE: HALF WAVE RECTIFIER-VOLTAGE DOUBLER
DATE: Unknown
ARTIFACT NUMBER: 1999.0239.001

MANUFACTURER: Canadian General Electric Co. Ltd.
MODEL: 25Z5
LOCATION: 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; SYNTHETIC BASE; METAL & SYNTHETIC WORKING PARTS/.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: 3.9 cm
Height: 10.6 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: Canada
State/Province: Unknown
City: Unknown

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 TYPE VACUUM TUBE USED AS HALF-WAVE RECTIFIER OR VOLTAGE DOUBLER IN AC/DC RECEIVERS.
Technical: Unknown
Area Notes: Unknown

Details

Markings: .1 WHITE LETTERING ON TUBE READS "25Z5"; INCISED LETTERING IN BASE READS "F/ CROYDON"/.2 LETTERING ON BOX END READS "GENERAL [LOGO[ ELECTRIC/ 25Z5"; BLUE LETTERING ON BOX SIDES READS "GE [LOGO]/ GENERAL/ ELECTRIC/ RADIOTRON/CANADIAN/ GENERAL ELECTRIC/ COMPANY LIMITED" WITH GUARANTEE INFORMATION ON ONE SIDE; HANDWRITTEN "Used/ How/ good?"
Missing: COMPLETE
Finish: .1 COLOURLESS TRANSPARENT GLASS; BLACK BASE; METALLIC PINS; GREY INTERIOR PARTS/.2 ORANGE & BLUE EXTERIOR
Decoration: N/A

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Canadian General Electric Co. Ltd., Vacuum tube, Unknown Date, Artifact no. 1999.0239, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1999.0239.001/

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