Note 141 — Chapter IV · 1492-1493.
Reading edition
According to Columbus’s statement, 56⅔ miles were equal to a degree, and four miles to a marine league. It has been assumed that the Italian mile used in measurements by Columbus equalled 4,842 English feet, and the Italian marine league 19,368 English feet.—Vide An attempt to solve the problem of the first landing-place of Columbus in the New World. By Captain G. V. Fox, Assistant Secretary of the United States Navy. United States Coast and Geodetic Survey. Appendix No. 18. Report for 1880. Washington, 1882. pp. 58, 59.