Vol. [1]: [16], 327, [1] p.; v. [2]: [8], 275, 267-291, 293-425, [3] p.

Title page of v. [1] reads: K1. Ptolemaiou Megalēs syntaxeōs bibl. 13. Theōnos Alexlndreōs [i.e. Alexandreōs] Eis ta hauta [i.e. auta] hypomnēmatōn bibl. 11. Claudii Ptolemaei Magnae constructionis, id est Perfectae coelestium motuum pertractationis, lib. XIII. Theonis Alexandrini In eosdem commentariorum lib. XI.

Title page of v. [2] reads: Theōnos Alexandreōs Eis tēn tou Ptolemaiou Megalen syntaxin hypomnēmatōn bibl. 11. Theonis Alexandrini In Claudii Ptolemaei Magnam constructionem commentariorum lib. XI. Basileae : Apud Ioannem Vualderum., [1538]

Authorship of parts 5 and 6 of the Commentarii is ascribed to Pappus of Alexandria. Cf. Oxford classical dict.

"First edition of the Greek text [of the Almagest]"--Grant, M. Greek and Latin authors, p. 369.

Printer's device on title page.

Clavdii Ptolemaei Magnae constructionis is edited with a Latin preface by S. Grynaeus.

Theonis Alexandrini in Clavdii Ptolemaei Magnam constrvctionem commentariorvm lib. XI. Basileae, apud Ioannem Vualderum is edited with a Latin preface by J. Camerarius and has separate pagination.

Signatures: a8[alpha]-w8[alpha][alpha]-[beta][beta]6[gamma][gamma]8A4a-z6aa-mm6nn8.

Mistakes in signatures: [gamma]3-4 signed [delta]3-4; mistakes in pagination: in first count, p. 211 and 214 misnumbered 202 and 210 respectively. For further errors see verso of card.

Mistakes in pagination (in both copies): 1st count; 39 misnumbered 38; 40, 39; 130, 103; 133, 113; 137, 117; 140, 120; 163, 164; 170, 130; 176, 174; 180-1 omitted; 185 misnumbered 192; 190, 90; 205, 206; 206, 207; 207, 205; 208, 206; 209, 207; 216, 208; 212, 213; 213, 207; 213-214 repeated; 221-4, 224-7; 242, 142; 278, 78; 312, 3012; 2nd count: 120, 110; 146, 156; 210, 2001; 220, 202; 270, 279; 274, 279; 267-275 repeated; 292 omitted; 299 misnumbered 399; 410, 401.

Adams, H.M. Catalogue of books printed on the continent of Europe, 1501-1600, in Cambridge libraries, P2209

Grässe, v. 5, p. 497

Greek text with editors' dedicatory prefaces in Latin.