A boxwood example of Hill’s Field Scale, in original leather case, paper instructions and set or perforated sheets for use in the field.Made by C Baker 244 High Holborn London, at this address 1910-1947. In good condition except the central slide is not possible to move.
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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.