The use of a mathematical instrument, called a quadrant : Shewing very plainly and easily to know the exact height or distance of any steeple, tree, or house, &c. Also to know the hour of the day by it: the height of the sun, moon, or stars: and to know the time of sun-rising, and setting; and the length of every day in the year: the place of the sun in the ecliptick: the azimuth, right ascension, and declination of the sun. With many other necessary and delightful conclusions. Performed very readily. Written by [W.P.] - W. P. (The quadrants and these books, are to be sold by Joseph Moxon, at his shop in Corn-hill at the sign of Atlas, in London,, 1655)