Hand-book of the “Double” Slide Rule, shewing its applicability to navigation, etc

00 LATS altitude Antique calf antique morocco APPENDIX Author Azimuth Book Cape Clear Cape Race Church Circle Sailing Circle track Cloth Co-course Co-lat Co-latitude compass compl correct Cosine Course and Distance Crown 8vo Decl Departure deviation Diff Dist Earth East Eclipse Equator error Example extra line Fcap feet Fisher's method Formula gilt edges given Gunter horizon Hour angle Illustrations inches line of Sines line of Tangents Logarithms Long Longitude M.A. Fcap Mean Solar Mercator's Sailing Meridian Middle Latitude Moon morocco Naut Nautical miles observed Parallel Sailing Plane Sailing Poems Post 8vo Prayers Prime Vertical Radius refraction Rhumb Right Ascension Secants Second Edition Sermons shews ship's Sidereal Slide Rule Solve star Statute miles steer Tables tack Third Edition Trigonometrical Slide true Dip true Great Circle tude Vertex vessel vols W. F. Hook whence