Original vintage optical industry trade magazine ad for LEEDS AND NORTHRUP COMPANY of Philadelphia, PA. A Wheatstone Bridge for Resistance Thermometry of High Precision according to the specifications of Mr. E.F. Mueller. Old medical laboratory measuring instruments advertisement.
leeds northrup company 1922 wheatstone bridge vintage ad
- Product Code: s245
- Length: 9 inches
- Width: 6 inches
- Pages: 1
- Views: 31
- Availability: In Stock
- $20.00
$15.00
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