Primitiae gnomonicae catoptricae, hoc est, Horologiographiae nauae specularis ... (1635)
Kircher, Athanasius, 1602-1680 · Auenione : Ex typographia I. Piot ... · leaf 169
i LIBRI II.' i53 • « ** B ribus , perfere refert , bene perceperis. Quod ii in hac deferiptione irregularis occurreret iuperficics , operatio fubhdio inftrumenti optici foret perfici- enda , quod & in omnibus aliis irregularitatibus murorum obferuabis : ergo & parallelos horizon- tis infcripfi mus… … PROBLEMA XI LINEAS SEV CIRCVLOS DOMOR FM CAejlium 3 ahofque circulos Pofitionum eodem in horologio defcnbere. DVplex Aflrologorum eft de domibus cselefti- bus deferibendis fententia > Alij Regiomon- V
Sundials
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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