John Benjamin Dancer
1812–87
Inventor, optician, and instrument maker. Worked in Manchester. Made inventions in photography, the development of the voltaic battery, thermometers, and microscopes.
Sources
Memoirs and Proceedings of the Manchester Literary & Philosophical Society 4th ser. 1 (1888): 149–53
Modern English biography
Bibliography
Modern English biography: Modern English biography, containing many thousand concise memoirs of persons who have died since the year 1850. By Frederick Boase. 3 vols. and supplement (3 vols.). Truro, Cornwall: the author. 1892–1921.
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