Vacuum tube

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Ingenium, 1969.0490.001
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OBJECT TYPE
OSCILLATOR/DETECTOR
DATE
1905
ARTIFACT NUMBER
1969.0490.001
MANUFACTURER
Royal Ediswan
MODEL
FLEMING
LOCATION
England

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
2
AKA
N/A
Patents
N/A
General Description
GLASS/ METAL

Dimensions

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

Length
10.8 cm
Width
2.2 cm
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Vacuum Tubes
Category
Receiving
Sub-Category
N/A

Manufacturer

AKA
Edison
Country
England
State/Province
Unknown
City
Unknown

Context

Country
Unknown
State/Province
Unknown
Period
Unknown
Canada
Unknown
Function
USED TO RECTIFY LOCALLY PRODUCED OSCILLATIONS IN A RADIO RECEIVER AS A DETECTOR OF WEAK SIGNALS PRESENT IN A RECEIVING AERIAL
Technical
FIRST DIODE TUBE/ VERY EARLY OSCILLATION VALVE USED AS A DETECTOR IN THE MARCONI-FLEMING VALVE RECEIVER/ IN A PRACTICAL SENSE IT CONTRIBUTED LITTLE TO WIRELESS TELEGRAPHY AT THE TIME/ IT WAS SOON OVERSHADOWED BY THE DE FOREST AUDION
Area Notes
Unknown

Details

Markings
N/A
Missing
N/A
Finish
UNCOLOURED GLASS/ UNFINISHED METAL
Decoration
N/A

CITE THIS OBJECT

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

Royal Ediswan, Vacuum tube, circa 1905, Artifact no. 1969.0490, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0490.001/

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