$1,968
Cased Solar Microscope Signed "Mon. Loiseau Boucart," France, 19th century, lacquered brass instrument signed on the fixed plate Mon. Loiseau Boucart Sucr. 35 Quai de Horloge , with two knurled knobs for rack and pinion adjustments for horizontal and vertical movement of the mirror, stepped main tube with internal focusing and external rack focusing for eyepiece, fitted and removable double-tier accessories case, wd. 11 1/2, dp. 9 1/2, ht. 3 1/2 in.
Auctioneer:
Skinner
Date:
2015-10-31