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. : As also the use of a nocturnal whereby you may learn to know the stars in heaven, and the hour of the night, by them. With many other delightfull operations.
by: W. P.
Published: (1659)
