A set of eighteenth century coin scales by Johann Caspar Mittelstenscheid with 20 weights, one is missing. Good paper label and box in good condition with clasps.
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.