Title: Ad clarissimum virum, D. Henricum Savilium, equitem auratum, ipsum matheseos omnigenæ scientissimum, adeoq́[ue] geminæ in eadem professione lecturæ, in florentissima Academia Oxoniensi fundatorem perquàm munificum: Thomæ Lydyat Epistola astronomica, de anni solaris mensurâ
Subjects: Year, Measurement, Early works to 1800