Rare Four-Draw Refracting Telescope by George Adams Senior, 1752

English Brass Compound Microscope by William Ladd, c. 1880

2 Brass Microscopes, c. 1860

Large and Unusually Constructed Microscope, c. 1880

Brass Compound Microscope, c. 1860

Brass Compound Microscope, c. 1880

Hartnack Brass Compound Microscope, c. 1875

Reichert Compound Monocular Microscope, c. 1890

Large Collection of Microscopic Preparations, c. 1890

German Compound Microscope by Messter, 1899

Drum-Pattern Microscope, c. 1860

Pillischer Compound Brass Microscope, c. 1860

3-inch Refracting Telescope by Bardou, mid-19th Century

English Compound Microscope by Henry Crouch, c. 1870

Brass Compound Microscope, c. 1860

Drum-Type Microscope by Bénèche & Wasserlein, c. 1860

Leitz Brass Microscope, 1898

Coincidence Rangefinder Wild TM2, 1966