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The art of dialling : by a new, easie, and most speedy way. Shewing, how to describe the houre-lines upon all sorts of plaines, howsoever, or in what latitude soever scituated: as also, to find the suns azimuth, whereby the sight of any plaine is examined. Performed by a quadrant, fitted with lines necessary to the purpose
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Elliptical, or azimuthal horologiography. : Comprehending severall wayes of describing dials upon all kindes of superficies either plain or curved: and unto upright stiles in whatsoever position they shall be placed. Invented and demonstrated by Samuel Foster, late Professor of Astronomie in Gresham-Colledge
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