Sidereus nuncius : magna, longeque admirabilia spectacula pandens, suspiciendaque proponens vnicuique, praesertim verò philosophis, atq[ue] astronomis, quae à Galileo Galileo ... perspicilli nuper à se reperti beneficio sunt obseruata in lunae facie, fixis innumeris, lacteo circulo, stellis nebulosis, apprime verò in quatuor planetis circa Iouis stellam disparibus interuallis, atque periodis, celeritate mirabili circumuolutis; quos, nemini in hanc vsque diem cognitos, nouissimè author depraehendit primus; atque Medicea sidera nuncupandos decreuit

Galilei, Galileo, 1564-1642, Baglioni, Tommaso, publisher, Evans, Herbert M. (Herbert McLean), 1882-1971, former owner. DSI, Burndy Library, donor. DSI · 1610 · Venetiis : Apud Thomam Baglionum · 12 pictures

Galileo's 1610 Latin report of his first telescopic observations, printed in Venice by Tommaso Baglioni for philosophers and astronomers. The plates are small etched discs of the Moon at different phases, dense parallel hatching for the dark half against a pitted, ragged terminator, plus woodcut diagrams of Jupiter's moons as dots beside a circle.

Astronomy · Telescopes

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