Oscillator, audio

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Ingenium, 1988.0259.001
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OBJECT TYPE: TUBE
DATE: 1936
ARTIFACT NUMBER: 1988.0259.001

MANUFACTURER: MCELROY, T.R.
MODEL: MAC OSC
LOCATION: Boston, Massachusetts, 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: METAL CASE/ SYNTHETIC BARS & CORD/ FABRIC COVERING CORDS/ PAPER LABEL/ GLASS, METAL & SYNTHETIC TUBES

Dimensions

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

Length: 15.5 cm
Width: 10.5 cm
Height: 14.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Communications
Category: Radio
Sub-Category: N/A

Manufacturer

AKA: MCELROY
Country: United States of America
State/Province: Massachusetts
City: Boston

Context

Country: Unknown
State/Province: Unknown
Period: UNKNOWN
Canada: Unknown
Function: USED BY AMATEUR RADIO OPERATORS TO PRACTICE MORSE CODE
Technical: GOOD EXAMPLE OF PRODUCT AVAILABLE TO AMATEURS FROM THE MAKER OF THE MCELROY SEMI-AUTOMATIC KEY.
Area Notes: Unknown

Details

Markings: MFR'S CARD: '76 TUBE TONE 1000C 800C 600C 76 TUBE/ 115 VOLTS/ A.C. OR D.C./ T.R. McELROY'S/ AUDIO/ OSCILLATOR/ MAC OSC/ PATENT/ APPL'D FOR/ BOSTON, MASS., U.S.A./ PHONES 2000 OHMS 10 DB/ OUTPUT 200 OHMS - 30 DB/ KEY'/ STAMPED ON CLIPS: 'MUELLER/ ELEC. CO./ CLEVE.D'.
Missing: N/A
Finish: BLACK PAINTED CASE/ BROWN CORD COVERING
Decoration: PAPER LABEL AFFIXED TO TOP

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

MCELROY, T.R., Oscillator, audio, circa 1936, Artifact no. 1988.0259, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1988.0259.001/

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