Vacuum tube

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Ingenium, 1998.0688.001
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OBJECT TYPE: HIGH MU TWIN TRIODE
DATE: Unknown
ARTIFACT NUMBER: 1998.0688.001

MANUFACTURER: Philips
MODEL: 6681
LOCATION: Germany

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 & 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: 2.1 cm
Height: 5.4 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: Philips
Country: Germany
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: MINIATURE TYPE VACUUM TUBE USED AS INVERTER OR RESISTANCE-COUPLED AMPLIFIER IN RADIO EQUIPMENT & IN MANY DIVERSIFIED APPLICATIONS SUCH AS MULTIVIBRATORS OR OSCILLATORS IN INDUSTRIAL CONTROL DEVICES.
Technical: EXAMPLE OF MILITARY-INDUSTRIALVERSION OF HIGH-MU TWIN TRIODE, EQUIVALENT TO COMMERCIAL 12AX7.
Area Notes: Unknown

Details

Markings: .1 WHITE LETTERING ON TUBE READS "GERMANY/ PHILIPS/ MINIWATT/ 6681" & "SQ/ SPECIAL QUALITY/ 6681"/.2 BLACK & BLUE LETTERING ON BOX END READS "6681/ GERMANY/ MINIWATT"; RED "PHILIPS" & WHITE "MINIWATT" ON EACH SIDE OF BOX
Missing: COMPLETE
Finish: .1 COLOURLESS TRANSPARENT GLASS; METALLIC PINS /.2 YELLOW EXTERIOR
Decoration: .2 WIDE BLUE STRIPE, 10 NARROW RED STRIPES; RED LOGO ON SIDES OF BOX

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

Philips, Vacuum tube, Unknown Date, Artifact no. 1998.0688, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/item/1998.0688.001/

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