Gilt Metal opera glasses by Lemaire Paris in good condition, noting loss of silk to interior=£100
Pocket opera glasses by Busch Winett, brown painted metal with chamois case=£70
Frodsham patent opera glasses unsigned=£190
Aitchison Patent No.24883 with original leather case=£280
Ask the Dealer
Fletcher Wallis sells objects and books relating to the history of science, medicine and technology from his unit at Admiral Vernon Arcade Portobello Road. He publishes books through Vernier Press, including Antique Medicine Chests, and Corkscrew Patents from 1795. He has been dealing for thirty five years.