02011nam 2200385Ia 450 99638742250331620200824132847.0(CKB)4940000000087128(EEBO)2240862674(OCoLC)ocm52528820e(OCoLC)52528820(EXLCZ)99494000000008712820030701d1675 uy 0engurbn||||a|bb|The art of dialling, by a new, easie, and most speedy way[electronic resource] Shewing how to describe the hour lines upon all forts of plains; howsoever, or in what latitude soever situated. Also; to find the hour of the day, and the azimuth of the sun, whereby the sight of any plain is examined. Performed by a quadrant filled with lines necessary to that purpose. /Invented and published in Anno 1638, by Samuel Forster, then Professor of Astronomie in Gresham ColledgeThe second edition /with several additions and variations of the authors, deduced from his own manuscript. With a supplement, performing all the instrumental work of the quadrant, by calculation. By help of the canons of sines and tangents, which of all ways is the most exact. By William Leybourn Philomath.London Printed by J. R. for Francis Eglesfield at the Marygold in St. Pauls Churchyard1675[8], 55, [1] p., [1] leaf of plates ill., chartsReproduction of the original in the National Library of Scotland.eebo-0097Time measurementsEarly works to 1800QuadrantEarly works to 1800LatitudeEarly works to 1800Time measurementsQuadrantLatitudeFoster Samueld. 1652.1001056Leybourn William1626-1716.1001442EAEEAEBOOK996387422503316The art of dialling, by a new, easie, and most speedy way2415943UNISA