A Treatise on Magnetism, With a Description and Explanation of a Meridional and Azimuth Compass, for Ascertaining the Quantity of Variation, ... at any Time of the day. ... By Ralph Walker, of Jamaica > Editions
by Ralph Walker
Published May 29th 2010
by Gale ECCO, Print Editions
Paperback, 244 pages
Published April 19th 2018
by Gale ECCO, Print Editions
Hardcover, 240 pages