$65

Gneiss from Sweden Petrographic Microscope Slide

$115

Arthur H. Thomas Company Sheaff Micro Object Marker Etc.

$65

Protogine Gneiss from St. Gotthard Pass Petrographic Microscope Slide

$45

Tartrate of Lime Microscope Slide by C. M. Topping for Polariscope Viewing

$35

Foraminifera Osangularia bengalensis Gulf of Mexico Microfossil Microscope Slide

$99

rare Microscope pen ESCHENBACH

$150

Antique Schutz A. G. Cassel German Microscope circa 1920

$399

original photograph of researchers from the early 20th century

$1550

Leitz 6-Spindle Integrating Stage 1930s Antique Mineral Microscope Accessory

$1280

An early Buron Achromatic microscope on wooden case, circa 1840

$53

Vintage Propper Otoscope With original case made in Germany.

$210

Antique Brass Microscope Pacific Micro Materials Co San Francisco w/ Wood Case