On eBay Now...Antique Leeds & Northrup No. 5410 Type T Portable Testing Set; USA; Untested For Sale
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Antique Leeds & Northrup No. 5410 Type T Portable Testing Set; USA; Untested:
$119.99
A rare and beautiful piece of American scientific instrument history — the Leeds & Northrup No. 5410 Type T Portable Testing Set, made in Philadelphia, Pennsylvania.
Leeds & Northrup was founded in 1899 by Morris E. Leeds and renamed in 1903 following a partnership with physicist Dr. Edwin F. Northrup. By 1920, the company had grown into one of the most important manufacturers of precision measuring instruments in the United States, supplying equipment to industry, the military, universities, and scientific laboratories. Their portable testing sets were considered the gold standard for telecommunications and cable testing work.
Condition Notes:
- Untested — sold strictly as-is
- Made in USA, Philadelphia, PA
- Please review all photos carefully, including the case, interior components, galvanometer, and any labels or instructions present
This is an exceptional display piece and a serious collector's instrument. Leeds & Northrup testing sets are actively sought by antique scientific instrument collectors, electrical history enthusiasts, telecommunications historians, and museum curators.
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Antique Leeds & Northrup No. 5410 Type T Portable Testing Set; USA; Untested
$119.99
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