Logarithmic speed scale for solving time/speed/distance located on back of sleeve

Corrected to August 23

"Ideal for budding designers and mathematically-minded yachtsmen

Last Correction: 3-Dec-2018

SEMAR Nautical Chart SM001 Pete Culler Logarithmic speed scale for solvingZONA ECONOMICA EXCLUSIVA Scale: 1: 3,700,000 Paper Size: 36. 0" x 49. 0" Actual Chart Size: 45. 7" x 29. 8" Edition Date: 2005 11 01 Corrected Date: 2010 04 01 The Official Mexican Hydrographic Office charts (SEMAR Secretara de Marina Armada de Mxico) produces charts for the coastlines and coastal waters of Mexico. Please note all charts are print on demand. These take about 1 3 business days to process the order