- 2 Brass Compound Microscopes...
- Brass Microscope by Carl Zeiss, c. 1890...
- Leitz Binocular Microscope, c. 1948...
- 2 German Compound Microscopes...
- "Klöne & Müller" Berlin Compound Microscope...
- Brass Compound Microscope by Hartnack, c. 187...
- 2 Microscopes by Carl Zeiss...
- Carl Zeiss Brass Compound Microscope, c. 1888...
- 2 Berlin Compound Microscopes...
- 2 Small Brass Compound Microscopes...
- 2 Small German Drum-Type Microscopes, c. 1865...
- 2 Berlin Brass Compound Microscopes...
- Brass Compound Microscope by Hartnack, c. 188...
- Large Messter Compound Microscope, c. 1870...
- Rare German Compound Microscope by H. Dankers...
- 2 German Compound Microscopes...
- 2 German Compound Microscopes...
- 3 German Compound Microscopes, c. 1900...
- Large Berlin Microscope by Paul Thate...
- German Compound Microscope by Wasserlein, c. ...
- German Brass Compound Microscope by Seibert, ...
- Berlin Brass Compound Microscope by Wasserlei...