| Time Period Manufactured | Pre-1930 |
|---|
Check the listing for details. A lens or doublet for simple microscope numbered 5 by Charles Chevalier, c. 1850. Listed at 190.00 USD. A doublet unsigned but by Charles Chevalier, numbered "5", and with the contemporary handwritting "Objectif de microscope simple pour dissection de Charles Chevalier" and owned by "M. Doumoulin" ei Dumoulin-Froment.