c.19th Swift brass portable microscope (c.1900)

cary gould field microscope

Vintage Brass Microscope with Case and Accessories c1890 #6131

Very Early Antique Watson & Son Bar-limb Brass Microscope c1875 with Fitted Case

Antique Ebony & Brass Octant In Mahogany Case - Sextant 1800's Nautical

Antique 1800’s Gould Field Botanical Brass Microscope , Screw Barrel In Box

Antique Large First Class Bar-limb Brass Microscope by Andrew Ross c1863, Cased

Large Antique C. Baker No. 2 - Compound Bar-limb Brass Microscope - circa 1860