Geometry Improv'd: I. By a Large and Accurate Table of Segments of Circles, with Compendious Tables for Finding a True Proportional Part, Exemplify'd in Making Out Logarithms from Them, There Being a Table of Them for All Primes to 1100, True to 61 Figures. 2. A Concise Treatise of Polyedra, Or Solid Bodies, of Many Bases