01953nam 2200337 n 450 99639308900331620200824121859.0(CKB)4940000000111963(EEBO)2240946030(UnM)99870816e(UnM)99870816(EXLCZ)99494000000011196319940914d1645 uy |engurbn||||a|bb|The trissotetras: or, a most exquisite table for resolving all manner of triangles[electronic resource] whether plaine or sphericall, rectangular or obliquangular, with greater facility, then ever hitherto hath been practised: most necessary for all such as would attaine to the exact knowledge of fortification, dyaling, navigation, surveying, architecture, the art of shadowing, taking of heights, and distances, the use of both the globes, perspective, the skill of making the maps, the theory of the planets, the calculating of their motions, and of all other astronomicall computations whatsoever. Now lately invented, and perfected, explained, commented on, and with all possible brevity, and perspicuity, in the hiddest, and most re-searched mysteries, from the very first grounds of the science it selfe, proved, and convincingly demonstrated. /By Sir Thomas Urquhart of Cromartie Knight. Published for the benefit of those that are mathematically affectedLondon, Printed by Iames Young.1645[14], 96, [18] p. illReproduction of the original in the British Library.eebo-0018MathematicsEarly works to 1800MathematicsUrquhart ThomasSir,1611-1660.834255Cu-RivESCu-RivESCStRLINWaOLNBOOK996393089003316The trissotetras: or, a most exquisite table for resolving all manner of triangles2369082UNISA