"Astrolabes." . . "Middle ages." . . "Astronomy, Greek." . . "Civilization, Medieval." . . "Astrolabes Ouvrages avant 1800." . . . . "Astrolabes History." . . . "Peri tēs tou astrolabou chrēseōs kai kataskeuēs kai tōn en autō katagegrammenōn, ti hekaston sēmainei" . . . . . "Electronic books"@en . . . . "Bilingual books" . "Early works" . . "This treatise on the astrolabe by the Alexandrian scholar John Philoponos includes the earliest preserved description of the planispherical device that was later widely disseminated during the Middle Ages. Stückelberger's edition is intended for philologists as well as historians and astronomers. The newly edited Greek text is accompanied by a German translation, explanations, and illustrations."@en . . . "Quelle" . . "De usu astrolabii eiusque constructione = Über die Anwendung des Astrolabs und seine Anfertigung" . . . "De usu astrolabii eiusque constructione"@en . . . . . "Über die Anwendung des Astrolabs und seine Anfertigung" . . . . . . . . . . "Über die Anwendung des Astrolabs und seine Anfertigung, allemand" . . "Περὶ τῆς τοῦ ἀστρολάβου χρήσεως καὶ κατασκευῆς καὶ τῶν ἐν αὐτῷ καταγεγραμμένων, τί ἕκαστον σημαίνει" . "Astrolabium." . . "Astrolabes Early works to 1800." . .