- Rare and Early Microscope by C. Kellner's Nac...
- Small Leitz Microscope, c. 1884...
- Leitz Microscope, c. 1889...
- Brass Microscope by Leitz, c. 1897...
- Leitz Microscope, c. 1900...
- Leitz Microscope, c. 1903...
- Noble Leitz Microscope, c. 1903...
- Brass Microscope by E. Leitz, 1903...
- Leitz Microscope and Accessories...
- Reading Microscope by Leitz, c. 1906...
- Leitz Microscope, c. 1906...
- 2 Leitz Microscopes...
- Leitz Microscope, c. 1908...
- Brass Microscope by Leitz, c. 1920...
- 2 Leitz Microscopes...
- Early Microscope by Zeiss, c. 1878...
- Early Zeiss Microscope, c. 1880...
- Brass Microscope by Carl Zeiss, c. 1882...
- Zeiss Microscope, c. 1882...
- Early Microscope by Zeiss, c. 1883...
- Zeiss Microscope, c. 1891...
- Zeiss Microscope, c. 1898...
- Large Research Microscope by Zeiss, c. 1908...
- Travel Microscope by Zeiss, c. 1910...
- Carl Zeiss: Double Ocular and Binocular Attac...
- Microscopy Literature...
- Early Brass Dissecting Microscope by Charles ...
- Drum Microscope by Arthur Chevallier, c. 1850...
- Research Microscope by Charles Chevalier, c. ...
- Brass Microscope by Dr. Arthur Chevalier, c. ...
- Brass Microscope by ...
- Small French Microscope ...
- Microscope Achromatique Simplifié by Lerebour...
- 2 Microscopes by Thate and Reichert...
- 2 Hensoldt Microscopes, 1925–30...
- 4 Magnifiers and Microscopes...
- Research Microscope by Seibert, c. 1885...
- 2 Travel Microscopes, c. 1910...
- ...
- 3 Telescopes and 1 Pair of Binoculars, c. 188...
- German 3-Draw Marine Telescope, c. 1818...
- Carl Zeiss Telescope 4–20x "Aseros", c. 1925...
- Trentact 8x by Carl Zeiss Jena, 1913/14...
- Nikon Binoculars (15 x 50), 1950s...
- 2 Military ...
- Large Lot of Prisms, Mirrors and Elements...
- Monocular (Bone and Brass), c. 1850...