Vacuum tube
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1969.1477.001
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- OBJECT TYPE
- AF AMPLIFIER
- DATE
- 1918
- ARTIFACT NUMBER
- 1969.1477.001
- MANUFACTURER
- SUDDEUTSCHE TELEFON-APPARATE
- MODEL
- A
- LOCATION
- Nuremberg, Federal Republic of Germany
More Information
General Information
- Serial #
- 29614
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- SYNTHETIC/ GLASS/ METAL/ FABRIC/ WAX
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 11.1 cm
- Width
- 5.1 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Telephone
- Sub-Category
- N/A
Manufacturer
- AKA
- FELTEN GUILLEAUME
- Country
- Federal Republic of Germany
- State/Province
- Unknown
- City
- Nuremberg
Context
- Country
- Europe
- State/Province
- Unknown
- Period
- WWI
- Canada
-
Unknown - Function
-
DEVELOPED FOR USE AS A TELEPHONE REPEATER BUT BECAUSE OF MILITARY REQUIREMENTS WAS INCORPORATED INTO AMPLIFIERS FOR EAVESDROPPING ON ENEMY CONVERSATIONS IN THE FIELD - Technical
-
FIRST HARD TUBE TYPE DEVELOPED IN GERMANY BY SIEMENS & HALSKE/ THIS TUBE TYPE WAS THE FIRST STAGE IN THE 'A' TUBE DEVELOPMENT BY SIEMENS - Area Notes
-
Unknown
Details
- Markings
- ETCHED ON GLASS: 'KTD/ DRP/ 29[?]14'/ IMPRESSED IN WAX SEALS: 'KTD'/ ON CAP: 'G' 'A'/ LABEL PRINTED IN GERMAN READS IN PART: 'Suddeutsche Telefon-Apparate, Kabel-/ U. Drahtewerke A.-G., Nurnberg./ Verstarker Nr. 29614/ In Betrieb 3. 8. 18./ Aus Betrieb/ Gesamtbrennstuden/ Unterschrift'
- Missing
- From CA of 05/01/1998 by Pat Montero: No - Complete
- Finish
- UNCOLOURED GLASS/ BLACK CAPS ON EACH END/ WHITE STRING WITH BLACK WAX/ BLUE TAG WITHBLACK PRINTING
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
SUDDEUTSCHE TELEFON-APPARATE, Vacuum tube, 1918, Artifact no. 1969.1477, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1969.1477.001/
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