Original vintage optical industry trade magazine ad for THE BROWN INSTRUMENT COMPANY of Philadelphia, PA.  Resistance Thermometer give one fifth degree readings at low temperature ranges and at a dist ... (more) 15.00 Available from:

brown instrument company 1923 resistance thermometer temps vintage ad

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brown instrument company 1923 resistance thermometer temps vintage ad

Description:

Original vintage optical industry trade magazine ad for THE BROWN INSTRUMENT COMPANY of Philadelphia, PA.  Resistance Thermometer give one fifth degree readings at low temperature ranges and at a distance of 2500 feet.  Old 1923 optical laboratory instrument advertisement.

Category: Optical Ads
Product Code: s270
Brand:: Brown Instrument Company
Availability: In Stock
Dimensions: 9in  x  6in
Pages: 1
Views: 72

$20.00  $15.00
Qty:1  

Save: -$5.00 (25% off)