EditorialAstrolabium, Illustration of an 18th century astrolabe, signature illegible, Fig. 1, p. 248r, 1703, Leontij F. Magnickij: Arifmetika, sirec' nauka cislitelnae. S raznych dialektov na slavenskii jazyk prevedenae, i vo edino sobrana, i na dve knigi razde...
EditorialAstrolabium made by or belonging to Zacharias Jansen, Instrument of various metals for degree measurement shaped like large flat round watch. With the inscription 'ZACHARIAS JANSEN MIDELBURG ANNO 1636'., Middelburg, Zacharias Jansen, Germany (possibly)...
EditorialNavigation Sliding arm of an Astrolabium Catholicum, A sliding arm, part of an astrolabium catholicum. The sliding arm consists of a wooden base and a copper three-part arm. The wooden part slid over a slat mounted diametrically on the astrolabe and co...
EditorialDrawings and Prints, Print, New Inventions of Modern Times [Nova Reperta], Amerigo Vespucci Discovering the Southern Cross with an Astrolabium, plate 18, Artist, Publisher, After, Jan van der Straet, called Stradanus, Jan Collaert I, Philips Galle, Net...