Original vintage optical industry trade magazine ad for SPENCER LENS COMPANY of Buffalo, NY. Spencer Refractometer of the Abbe Type with water jacket for controlling temperature of the prism case. Old 1923 optical laboratory instruments advertisement
spencer lens company 1923 refractometer abbe type vintage ad
- Product Code: s298
- Length: 9 inches
- Width: 6 inches
- Pages: 1
- Views: 29
- Availability: In Stock
- $20.00
$15.00
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