Memoria technica: or, a new method of artificial memory, applied to and exemplified in chronology, history, geography, astronomy, etc. 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.

Licence: Public Domain Mark

Credit: Memoria technica: or, a new method of artificial memory, applied to and exemplified in chronology, history, geography, astronomy, etc. 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. Source: Wellcome Collection.