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. - W., P. (The quadrants, nocturnals, and these books, are to be sold by Joseph Moxon, at his shop in Corn-hill, at the signe of the Atlas, in London, 1659)
Reproduction of original in the John Carter Brown Library. - Wing (2nd ed.), P138C