The elements of Euclid : In which the propositions are demonstrated in a new and shorter manner than in former translations, and the arrangement of many of them altered; plain and spherical trigonometry, tables of logarithms from 1 to 10000, and tables of sines, tangents, and secants, both natural and artificial. By George Douglas, teacher of mathematics in the Academy at Ayr. - Euclid. (Printed for C. Elliot; and T. Longman, London,, 1780)