Title: The sector :
Authors: Phillipps, Thomas, 1792-1872; Wheatland, David P.,
Year: 1630
Subjects: Gunter, Edmund,; Mathematics Early works to 1800; Navigation Early works to 1800; Surveying Early works to 1800
Abstract: Notebook kept by an unidentified mathemetician in which he discusses diverse mathematical concepts and problems including square and cube roots, surveying, and navigation. The author repeatedly refers to the work of Edmund Gunter.