Ludovicus Theodatus MÜLLER (active 1710 - 1770) Equinox sundial Octagonal brass plate engraved with stylized acanthus leaves and incorporating an eight-point compass. The pivoting ring shows 3-12-9 in Roman numerals and the latitude arc graduated from 20° to 80°. On the reverse, Elev. Pol. for the different cities Lisbon 39°, Rome 42°, Wien and Augspurg 48°. Signed LTM Augsburg, mid-18th century D. 5 cm (wear, stylus missing) Related work: A similar dial from Augsburg signed "LTM" is preserved at the National Maritime Museum, Greenwich (inv. N° AST0451)