A rare example of the Bluebell letter scale with four weights-half ounce, one, two and three ounces- in good condition but lacking the scale pan-dull bronze with black hard stone base marked with gilt lettering \’EFB from CWP\’
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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.