Description of a Planetarium, Or Astronomical Machine, which Exhibits the Most Remarkable Phænomena, Motions, and Revolutions of the Universe: Invented, and Partly Executed by the Celebrated Mr. Phil. Matthew Hahn, Member of the Academy of Sciences at Erfurt, and Finished and Completed, by Mr. Albert de Mylius..1791 - 32 pages |
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Description of a Planetarium, Or Astronomical Machine, Which Exhibits the ... Philipp Matthäus Hahn Aucun aperçu disponible - 2020 |
Expressions et termes fréquents
24 hours 27 days Aftronomical Machine alfo alſo Aphelion apparent motion appear Axis becauſe Befides caufe cauſe Celeſtial Chronometer Clock confequently conftructed conjunction courfe defcribe deſcends dial diameter diſtance diurnal rotation eafily Eaft to Weft eafy Earth eaſy eccentric motion Ecliptic fame faſtened fcrew fecond feen fet back fhews the hours fhould figns firft Satellite firſt fixed ftars fize fmall folidity fome fometimes fphere ftationary fuch fuperior fynodic revolutions globe reprefenting greateſt heavens horizon indexes inequality interfect itſelf Jupiter likewife Mars mean motion Mechaniſm Mercury Meridian minutes month Moon muſt obferved obliquity oppofite orbit paffes parallax Perihelion Phænomena pofition preceffion prefent primary Planet proper motion put in motion retrograde motion revolution from Eaft revolution round rifing and fetting ring of Saturn round the Sun ſame Saturn ſeen ſhe ſmall Solar fyftem ſpace ſtars Synodic ſyſtems thefe Nodes themſelves theſe Planets thofe thoſe tion turns round wheels Zodiac