2 ½-inch Reflecting Telescope, late 18th Century

6-Draw Scottish Pocket Telescope by Bell, c. 1870

English Surveying Level Instrument by Troughton & Simms

Marine Pocket Telescope by Krüss, c. 1870

Drum Microscope by Oberhäuser and a Brass Telescope

Miniature Telescope, 18th Century

French Graphometer by Bernier, Paris, c. 1780