Mathematical tables, or Tables of logarithms, sines, tangents, right ascension and declination of the sun, and seventy fixed stars of the first and second magnitudes, moon's parallax, difference of parallax and refraction, for finding the moon's true altitude, &c. &c. Illustrated by an essay on the nature, investigation, and application of logarithms, &c. to every useful species of calculation in trigonometry, navigation and astronomy. By Benjamin Donn, professor of mathematics and natural philosophy, Bristol.