Perspectiua horaria, siue, De horographia gnomonica tum theoretica, tum practica, libri quatuor
Subtitle: in quibus gnomonices antiqui fines latiùs protenduntur, traditurque ratio & delineatio geometrica expeditissima non solùm communium, quae radio directo vel vmbra pariter directa, sed etiam aliorum nouae inuentionis solarium horariorum, quae radio vel vmbra tum reflexis tum refractis horas, aliaque ad coelestium motuum notitiam pertinentia indicant. In his verò praecipuam admirationem habet Thaumantias catoptrica atque dioptrica, id est reflexus, ac refractus à speculo cylindrico solaris radius, omnes, qui in sphaera cogitari possunt, circulos gnomonicè reddens iridis modo ac specie ...
By: autore R.P.F. Emanuele Maignan ...
Publisher: Typis & expensis Philippi Rubei
Published: 1648
Place of publication: Romae
Language: lat
Number of pages: 787
Subjects: Sundials -- Early works to 1800; Dialing -- Early works to 1800; Optics -- Early works to 1800
Genres: Early works to 1800
Other titles: Horographi Maignani; Perspectiva horaria, sive, De horographia gnomonica tvm theoretica, tvm practica, libri qvatvor; Perspectiva horaria, sive, De horographia gnomonica tum theoretica, tum practica, libri quatuor; Perspectiua horaria; De horographic gnomonica tum theoretica, tum practica, libri quatuor
Notes: Signatures: [cross]⁶ 2[dagger]⁴ 3[dagger]⁴ A-3T⁶ 3V⁴.

2 of the folded leaves of plates are double leaves. Leaves of plates are included in signing but not pagination.

Contains both woodcut and engraved illustrations. Some engraved plates signed P. Guerin, some signed Cl. Goyrand, and some not attributed.

Errata on last page.

LC copy has bookplates of Christopher St. J.H. Daniel and the Marquess of Bute and ms. inscription on t.p.: Luceo.