Spheroidal tables showing the length in feet of a degree, minute, and second of latitude and longitude, the corresponding number of statute miles, contained in a degree of latitude, under each parallel of latitude, and the length, in cables, of a minute of longitude, corresponding to each nautic mile : For every ten minutes of the quadrant, based on the ordnance geodetical tables compression 1/294 / by Robert C. Carrington, ... ; Published by order of the Lords Commissioners of the Admiralty