Test set, radio circuit

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OBJECT TYPE: AC-DC/CURRENT/MULTIMETER/ANALYSER
DATE: 1930
ARTIFACT NUMBER: 1974.0599.001

MANUFACTURER: JEWELL ELECTRICAL INSTRUMENT CO.
MODEL: 409
LOCATION: Chicago, Illinois, United States of America

More Information

General Information

Serial #: 1970
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: CASE, WOOD WITH DETACHABLE WOOD COVER/ LEATHER HANDLES/ METAL HINGES AND METAL SNAP FASTENER/ BAKELITE PANEL/ METERS: METAL CASES WITH GLASS COVERS/ SYNTHETIC KNOBS & BUTTONS/ FABRIC LINING

Dimensions

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

Length: 34.5 cm
Width: 29.5 cm
Height: 10.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

AKA: JEWELL
Country: United States of America
State/Province: Illinois
City: Chicago

Context

Country: North America
State/Province: Unknown
Period: 1930-1935
Canada: Unknown
Function: USED TO MEASURE THE VOLTAGE AND CURRENT OF AN OPERATING RADIO AMPLIFYING CIRCUIT WITHOUT REMOVING THE RADIO FROM ITS CABINET.
Technical: Unknown
Area Notes: Unknown

Details

Markings: PLATE ATTACHED TO TOP OF LID: 'PATTERN 409 MADE IN U.S.A./ JEWELL/ RADIO SET ANALYZER/ JEWELL ELECTRICAL INSTRUMENT CO./ CHICAGO, ILL.'/ ON PANEL:'SER. 1970'/ DESIGNATIONS AROUND VARIOUS BUTTONS/ METERS: 'PATTERN NO. 88/ DIRECT CURRENT/ [CALIBRATION]/ VOLTS/ 1000 OHMS PER VOLT/ PAT 1606411/ 6493/ JEWELL ELECTRICAL INSTRUMENT CO.'/ '[2ND METER SAME EXCEPT:] MILLIAMPERES/ 17210'/ '[3RD METER SAME EXCEPT:] 6672'/ '[4TH METER SAME EXCEPT:] PATTERN NO. 78/ ALTERNATING CURRENT/ 6307'
Missing: VARIOUS 4 PIN TO 5 PIN ADAPTORS/ BROKEN BAKELITE COVER FROM LEFT 4-8-16 VOLT BINDING POST
Finish: CASE FINISHED IN BLACK LEATHERETTE/ INSIDE OF COVER FINISHED IN PURPLE PLUSH MATERIAL (VERY SOFT)/ PANEL, NATURAL BLACK BAKELITE/ METER CASES, BLACK BAKELITE; FACES, SILVER GRAY
Decoration: N/A

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JEWELL ELECTRICAL INSTRUMENT CO., Test set, radio circuit, circa 1930, Artifact no. 1974.0599, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1974.0599.001/

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