Title from leaf /1r.
Imprint from colophon, leaf D10v: Opus Astrolabij plani in tabulis: a Joha[n]ne Angeli artium liberaliu[m] magistro a noua elaboratu[m]: explicit feliciter. Erhardi ratdolt Auguste[n]sis viri solertis: eximia industria: [et] mira imprimendi arte: qua nup[er] venecijs: nunc Auguste vindelicoru[m] excellet nominatissimus. Vigesimoseptimo kalendas Nouembris. M.cccc.lxxxviij.
Printed in Ratdolt's types 8:90R, 4:76G, and 9:130G.
Signatures: ⁴; a-e⁸ f-s⁴ t-y⁸ z¹² A-C⁸ D¹²: 176 leaves, leaves D11-12 blank.
Paper format: Chancery quarto.
40 lines to a full-page; area of text: 151 x 123 mm. With ornamental woodcut initials, signatures; without foliation and catchwords. Register at end.
Contains astrological tables and over 400 woodcut illustrations including 80 miniatures, depicting the influence of the 12 signs of the zodiac on everyday life; features larger woodcuts of the individual constellations of the zodiac. Ratdolt reused many of the woodblocks from earlier astrological works. Cf. Schreiber, v. 5, pt. 1, p. xxxii.
PML copy leaf dimensions: 22.8 x 17 cm.
PML copy missing 1 leaf: D12 (blank) or used for rear pastedown.
Hand decoration: Rubricated, printed initials highlighted in red, paragraph marks, and capital strokes. Marginal numbering through most of 'Significatio' section. Annotations: No marginal notations in text.