Original vintage optical trade magazine ad for BROWN INSTRUMENT COMPANY. Main office and factory was located in Philadelphia, PA. Brown Combined Recording Thermometers and Pressure Gauges. Old 1923 optical laboratory instruments advertisement.
brown instrument company 1923 combined recording gauges vintage ad
- Product Code: s269
- Length: 9 inches
- Width: 6 inches
- Pages: 1
- Views: 60
- Availability: In Stock
- $20.00
$15.00
ON SALE
25% OFF
You save: $5.00 (25%)
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