Rare Books

Horologiographia nocturna. Or Lunar horologiographie. : Set forth and demonstrated (after a twofold manner) in the horizontall plane onely. Vpon which (and all other by the same reason) may in a manner, as plainely and speedily bee discerned the times of the night by the gnomonicall shadow, caused by the moone, as the times of the day upon any by the sun: serving as well in the day time for the sunne