Bausch & Lomb Model C “Balopticon?? Optical ProjectorWilliamson Auction Gallery4.7(286)$300Available to Buy Now
Large Collection of Vintage Glass Slides, Storage Cases & Viewer MagnifierNest Egg Estate Sales LLC4.3(11)$10
Keuffel Esser 1376A Rule & Lawrence Deluxe Slide RuleM.J. Stasak Jr. Auction and Appraisal Service4.8(2.2k)$1Jun 14, 2026
Vintage Keystone View Company Stereoview Slide Collection in Original Storage BoxNest Egg Estate Sales LLC4.3(11)$40(8 bids)
A COLLECTION OF MAGIC LANTERN SLIDES DEPICTING VARIOUS CLOCKS AND SCIENTIFIC INSTRUMENTSHutchinson Scott Auctioneers4.3(49)£25Jun 25, 2026
20 Trays 19th century scientific microscope slides. In storage box that needs repair. entomologicalUniques and Antiques, Inc.4.7(877)$755 days Left
