Memoria technica: or, a new method of artificial memory, applied to and exemplified in chronology, history, geography, astronomy, also Jewish, Grecian and Roman coins, weights and measures, &c. : with tables proper to the respective sciences, and memorial lines adapted to each table / by Richard Grey.

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Memoria technica: or, a new method of artificial memory, applied to and exemplified in chronology, history, geography, astronomy, also Jewish, Grecian and Roman coins, weights and measures, &c. : with tables proper to the respective sciences, and memorial lines adapted to each table / by Richard Grey. Public Domain Mark. Source: Wellcome Collection.