History of Science Collection

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Demonstratio halonis
Leading mathematical astronomer of the 16th century and professor of higher mathematics (astronomy) at Wittenberg. Unpublished treatise or lecture on atmospheric refraction., transcriptas ab Erasmo Reinholt., Ms., Treatise., Caption title., Paper watermarked., Marbled wrappers., Written in two italic hands in ink, section headings in red., Three pen-and-ink diagrams.
Elements.
avthore Ioanne Schevbelio ..., Wrongly attributed to Eucleides of Megara. Cf. Britannica, 1959., Signatures: a⁴ A-Pp⁴ Qq⁶., Imprint date from colophon., Printer's mark on t.p. and on last p., Page 315 misnumbered 351; numerous other errors in pagination., "Brevis regvlarvm algebrae descriptio, vna cvm demonstrationibvs geometricis, avtore Ioanne Schevbelio": p. [1]-76.
Demonstratio halonis
Leading mathematical astronomer of the 16th century and professor of higher mathematics (astronomy) at Wittenberg. Unpublished treatise or lecture on atmospheric refraction., transcriptas ab Erasmo Reinholt., Manuscript., Treatise., Caption title., Paper watermarked., Marbled wrappers., Written in two italic hands in ink, section headings in red., Three pen-and-ink diagrams.