Tester, Electrical
Object number2012.114.8
Manufacturer
National Radio Institute
Date1982
OriginWashington, D.C.
MediumMetal/Plastic/Rubber
Credit LineGift of Robert Kruszewski
DescriptionVacuum tube tester. Rectangular box with circular plates, each of which has holes for insertion of wires and each with a printed description. Cable attached on left side with bracket. Printed text has maker and product information.Dimensions5.375 x 3.5 x 1 in. (13.7 x 8.9 x 2.5 cm)InscriptionsEach circular plate has a printed description.
Hand-inscription on upper left corner "FEB / 1982".
Yellow tape attached to bottom edge reverse, but handwritten text is illegible.
MarksPrinted on lower center: "NATIONAL RADIO INSTITUTE / WASHINGTON, D.C."
On lower center: "NRI / Professional / TRADE MARKREG U.S. PAT. OFF. / Model O / SERIES STRING FILAMENT TESTER".
"OPERATING INSTRUCTIONS" on reverse.
Historical NotesPart of a collection of television repair equipment documenting donor Robert Kruszewski's father Charles J. Kruszewski’s side job as a television and radio repairman post WWII. Charles used the G.I. Bill to enroll in a home study course on practical television and radio repair. The course was offered by National Radio and Television Repair in Washington, D.C. Working on nights and weekends after his regular job at General Motors was done, he serviced many neighbor’s equipment in the Ninth Ward of Lawrenceville. The donor remembers going out on repair calls with this father and bringing back the more difficult cases to his home repair shop. As televisions became more complicated this type of home repair died out.
Previous owner
Charles J. Kruczewski
Related institution
General Motors Company
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