Vacuum tube

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Ingenium, 1969.0733.002
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OBJECT TYPE: N/A
DATE: 1935
ARTIFACT NUMBER: 1969.0733.002

MANUFACTURER: Unknown
MODEL: Unknown
LOCATION: Unknown

More Information

General Information

Serial #: N/A
Part Number: 2
Total Parts: 2
AKA: N/A
Patents: N/A
General Description: Glass tube with synthetic base and metal contacts

Dimensions

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

Length: N/A
Width: N/A
Height: N/A
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

AKA: Unknown
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Ontario
Period: 1930S
Canada: COMPONENT OF 1930S CBC RADIO STUDIO RECORDING SYSTEM USED TO RECORD IMPORTANT RADIO BROADCASTS OF ROYAL & POLITICAL ADDRESSES, OPENINGS OF PARLIAMENT, FUNERALS & WEDDINGS OF NOTABLES, MAJOR SHIP LAUNCHINGS & OTHER SIGNIFICANT CANADIAN EVENTS.
Function: Unknown
Technical: COMPONENT OF MARCONI BLATTNERPHONE,EXAMPLE OF EARLY USE OF RECORDING ON MAGNETIC TAPE IN RADIO. DEVELOPED IN EARLY 1930S IN LONDON BY BLATTNER & BBC FOR USE WITH WORDWIDE BBC EMPIRE BROADCAST SERVICE. RIGHTS TO DEVICE WERE PURCHASED BY MARCONI IN 1933.
Area Notes: Unknown

Details

Markings: N/A
Missing: N/A
Finish: Clear bulb with a black base and silver-coloured metal contacts and internal parts. Black burn mark on the inside of the glass and a faded grey manufacturer's marking on the outside.
Decoration: N/A

CITE THIS OBJECT

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

Unknown Manufacturer, Vacuum tube, circa 1935, Artifact no. 1969.0733, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1969.0733.002/

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