|19th Century American Microscope Makers|
Stand A and Student Stand
Dr. Leopold Dippel, Das Mikroskop, 1882
Tolles - Blackham Stand
Tolles made this stand in the late 1870's for Dr. Blackham.
Journal of the Royal Microscopical Society, 1880
No. 56125, Binocular Eyepieces, July 3, 1866
Tolles binocular adapter for microscopes
No. 198782, Improvement in Microscopes, Jan 1, 1878
The pivoting substage assembly with graduated scale.
No. 198783, Improvement in Microscopes, Jan 1, 1878
The substage traverse lens for oblique lighting.
Robert B. Tolles' 1879 Price-List
From The Microscope & Microscopical Technology, Heinrich Frey, 1880 American edition.
|other microscope makers|
© 1997, 1999, Greybird Publishing, Taneytown, MD.