Astronomicum Cæsareum. - Apian, Peter, 1495-1552.; Apian, Peter, 1495-1552; Steele, Geoffrey; Hatvany, Antonia ([Ingolstadt] : Factum et actum Ingolstadii in ædibus nostris [Peter Apian], 1540)
Author's name given at head of fol. [3] recto (=A3 recto) as: Apianus.
Illustrated title page, with two woodcuts, one a frame surrounding the title, the other circular, with printed text on bottom left and right.
Reference in title is to Emperor Charles V to whom and his brother, King Ferdinand I, this work is dedicated.
Imprint from colophon, printed in reverse (mirror image).
Signatures: A-G⁴(±G2, G3+chi1) H-I⁴ k⁴ L-N⁴ O⁶ (-O6) chi2-chi3 (chi2 verso, chi3 verso blank).
38 full page text illustrations, 22 of them with volvelles (moving discs), many also with centrally attached silk threads. Volvelles are foundon the recto of leaves B3, C1, C3, D1, D3, E1, E2, E4, F2, F3, F4, chi1, G4, k3, k4, L1, L2, L3, L4, M1 and M3 and the verso of leaf G3. Additionally, a large number of smaller text illustrations are present.
Keywords: Charles -- V, -- Holy Roman Emperor, -- 1500-1558.; Ferdinand -- I, -- Holy Roman Emperor, -- 1503-1564.; Astronomy -- Early works to 1800.; Comets -- Early works to 1800.