An unsigned boxwood sector £30
An Ash dental alloy balance in good condition £70
A model eye with a single retinal image, brass with some losses to black paint £70
A ophthalmoscope by Pillischer, London, box lid detached, Dr. Edward Nettleship type, supplementary lens missing, ebony handle £120
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.