Vacuum tube

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Ingenium, 1988.0349.001
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OBJECT TYPE: POWER AMPLIFIER
DATE: 1926
ARTIFACT NUMBER: 1988.0349.001

MANUFACTURER: Cunningham, E.T. Inc.
MODEL: CX310
LOCATION: New York, New York, United States of America

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: GLASS ENVELOPE/ METAL WORKING PARTS & PRONGS/ SYNTHETIC BASE/ CARDSTOCK BOX

Dimensions

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

Length: 6.5 cm
Width: 6.5 cm
Height: 16.0 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: Cunningham
Country: United States of America
State/Province: New York
City: New York

Context

Country: Canada
State/Province: Ontario
Period: Unknown
Canada: Unknown
Function: TO PROVIDE POWER AMPLIFICATION FOR LOUD SPEAKERS WHERE A HIGH OUTPUT WITHOUT DISTORTION IS REQUIRED. ALSO TO CONVERT DC INTO AC IN A CIRCUIT.
Technical: TYPE SAMPLE OF CUNNINGHAM VERSION OF THE 210 POWER AMPLIFIER
Area Notes: Unknown

Details

Markings: CUNNINGHAM LOGO PRINTED ON TOP OF TUBE/ ENGRAVED ON SIDE OF BASE: [LOGO]/ CUNNINGHAM/ CX310'/ ON BASE BOTTOM: 'LICENSED ONLY TO EXTENT INDICATED ON CARTON'/ BOX: 'Cunninghams/ RADIO TUBES/ Since 1915/ Standard for All Sets/TYPE/ CX-310/ POWER AMPLIFIER/ OSCILLATOR/ FIL. VOLTS 7.5/ FIL. AMP. 1.25/ PLATE VOLTS 350/ PLATE AMP..06/ OUTPUT 7.5 WATTS/ AMPLIFIER/ FIL. VOLTS 6-7.5/FIL. AMP. (MAXIMUM) 1.25/ PLATE VOLTS (MAX.) 425/ E.T. Cunningham/ INC./ NEW YORK CHICAGO/ SAN FRANCISCO'/ LIST OF PATENTS ON SIDE OF BOX: ‘APR. 12. 1910; JAN. 31. 1911; APR. 2. 1918; JULY 8. 1913; DEC. 30. 1913; JULY 28. 1914; MAY 18. 1916; APR. 18. 1916; AUG. 29. 1916; OCT. 31. 1916; NOV. 14. 1916; OCT. 23. 1917; JUNE 4. 1918; DEC. 3. 1918; DEC. 10. 1918; DEC. 17. 1918; FEB. 11. 1919; FEB. 18. 1919; MAY 13. 1919; JUNE 24. 1919; JAN. 27. 1920; SEPT. 28. 1920; OCT. 5. 1920; APR. 12. 1921; JAN. 31. 1922; MAR. 14. 1922; JULY 25. 1922; MAY 29. 1922; AUG. 7. 1923; OCT. 30. 1923; DEC. 18. 1923; JAN. 1. 1924; JAN. 8. 1924; JUNE 24. 1924; MAR. 10. 1925; MAY 5. 1925; OCT. 20. 1925; DEC. 15. 1925; JULY 6. 1926; RC-32845; REV 9-26'/ 'MANUFACTURED/ AND SOLD UNDER/ RIGHTS, PATENTS./ AND INVENTIONS/ OWNED AND/OR/ CONTROLLED BY/ THE RADIO/ CORPORATION/ OF AMERICA'.
Missing: N/A
Finish: UNCOLOURED GLASS SILVERED ON BOTTOM PART/ BLACK BASE/ BOX: BEIGE WITH ORANGE & BLUE PRINTING
Decoration: N/A

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

Cunningham, E.T. Inc., Vacuum tube, after 1926, Artifact no. 1988.0349, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1988.0349.001/

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