Astronomical Compendium
Closely related to inv. 36000, sharing similar features and tables. Square plate with dialling quadrant on underside; circle of degrees on upperside within which there is a volvelle with a compass, index, calendar tables and aperture to view calendar tables below; surmounted by index. Against one edge of plate, line marked A and B at ends, and with central hole. Inscription: Unsigned; dated "1703" in calendar table. Height 111 mm width 119 mm. Material: brass. Inventory number 45697.
Museum of the History of Science in Oxford GB, Lewis Evans Collection.