-
2 ½-inch Reflecting Telescope, late 18th Cent...
-
6-Draw Scottish Pocket Telescope by Bell, c. ...
-
English Surveying Level Instrument by Trought...
-
Marine Pocket Telescope by Krüss, c. 1870...
-
Drum Microscope by Oberhäuser and a Brass Tel...
-
Miniature Telescope, 18th Century...
-
French Graphometer by Bernier, Paris, c. 1780...
