Vacuum tube

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Ingenium, 1998.0695.001
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OBJECT TYPE: RF AMPLIFIER TWIN TETRODE
DATE: Unknown
ARTIFACT NUMBER: 1998.0695.001

MANUFACTURER: Philips
MODEL: 6939
LOCATION: Netherlands

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: 2.0 cm
Height: 6.4 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: Netherlands
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Ontario
Period: Unknown
Canada: Unknown
Function: MINIATURE TWIN TETRODE FOR USE AS RF POWER AMPLIFIER OR FREQUENCY MULTIPLIER.
Technical: EXAMPLE OF TWIN TETRODE AMPLIFIER WITH FRAME GRID CONSTRUCTION & INTERNAL NEUTRALIZATION.
Area Notes: Unknown

Details

Markings: .1 WHITE LETTERING ON TUBE READS "PHILIPS/ 6939"; GREY LETTERING READS "HOLLAND" & "U16/ 17H4"/.2 BLACK & BLUE LETTERING ON BOX END READS "6939/ HOLLAND/ PHILIPS"; WHITE"PHILIPS 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. 1998.0695, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1998.0695.001/

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