EditorialA grain Erutum, Orbis Lunae: Quod via procedendi fit lanea, linearis et una: Pars telae hujus Hermeticae hyemalis, Fig. 5, p. 273, 1666, Reconditorium ac reclusorium opulentiae sapientiaeque numinis mundi magni, cui deditur in titulum chymica vannus, o...
EditorialQuomodo sibi constet altitudinem dimensio ex umbra tum Solis tum Lunae cadente Horoscopij filo super punta umbrae versae?, Height measurements with a sun quadrant and shadow, Fig. 7, p. 34, 1533, Petrus Apian: Horoscopion Apiani generale dignoscendis h...
EditorialAstronomer with telescope, Astronomer with telescope, telescope, copperplate engraving, fig. F, after p. 40, 1647, Johannes Hevelius: Johannis Hevelii Selenographia sive lunae descriptio atque accurata, tam macularum ejus, ... delineatio, ...; addita e...
EditorialQuid si citra omnem Solis & Lunae umbram ... altitudines ex Solis ex Solis pnnacidijs colligere voles?, Altimeter of a tower with a sun quadrant, Fig. 8, p. 35, 1533, Petrus Apian: Horoscopion Apiani generale dignoscendis horis cuiusqumque generis apti...