A. C. Johnson: How to Find the Time at Sea in less than a Minute being New and Accurate Methods, with Specially Adapted Tables
Book Number: 019553
J. D. Potter London 1907 155mm x 245mm Boards have moderate general wear and some soiling. Former owner's name and some notes to ffep. Hinges are split but pages and boards remain secure due to original cloth at spine. 28pp plus list of otther works by the author.