Two large proportional dividers:
One marked J & W.E. Archbutt 201 Westminster Bridge road,London, Lid distressed, £200
The other marked Elliott Brothers 449 Strand London £200
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.