A boxed Portia Baby weighing outfit, patented February 13 1912. Contained in original but distressed card box is the baby balance and a baby hammock. Some tears to hammock box.
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.