01811nam 2200397 n 450 99639034930331620200824120750.0(CKB)4940000000099674(EEBO)2240865780(UnM)99829904e(UnM)99829904(EXLCZ)99494000000009967419950703d1654 uy |engurbn||||a|bb|Posthuma Fosteri[electronic resource] the description of a ruler, upon which is inscribed divers scales: and the uses thereof: invented and written by Mr. Samuel Foster, late professor of astronomie in Gresham-Colledg. By which the most usual propositions in astronomy, navigation, and dialling, are facily performed. Also, a further use of the said scales in deliniating of far declining dials; and of those that decline and recline, three severall wayes. With the deliniating of all horizontall dials, between 30 and 60 gr. of latitude, without drawing any lines but the houres themselvesLondon printed by Robert & William Leybourn, for Nicholas Bourn, at the South entrance into the Royall Exchange1654[8], 80, [2] p. illWith final page of errata.Reproduction of the original in the British Library.eebo-0018AstronomyEarly works to 1800Nautical astronomyEarly works to 1800NavigationInstrumentsEarly works to 1800AstronomyNautical astronomyNavigationInstrumentsFoster Samueld. 1652.1001056Cu-RivESCu-RivESCStRLINWaOLNBOOK996390349303316Posthuma Fosteri2409815UNISA