Context

Context of Dialling : : plain, concave, convex, projective, reflective, refractive : shewing how to make all such dials and to adorn them with all useful furniture relating to the course of the sun : performed arithmetically, geometrically, instrumentally and mechanically : and illustrated with sculptures engraven in copper : comprised in XIV distinct tractates, the contents whereof follow next after the preface to the reader
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