Original vintage ophthalmic industry magazine trade ad for THE BROWN INSTRUMENT COMPANY of Philadelphia, PA. 23 Special Machine Tools to Make this Diminutive Bracket and each cuts to an accuracy of 1/1000 of an inch. Brown Pyrometers. Old 1922 optical industry advertisement.
brown instrument company 1922 special machine tools vintage ad
- Product Code: s223
- Length: 9 inches
- Width: 6 inches
- Pages: 1
- Views: 35
- Availability: In Stock
- $20.00
$15.00
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You save: $5.00 (25%)
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