Lot Essay
This is a finely executed manuscript document very pleasingly illustrated with outline drawings explaining the various problems
Details
A fine late 18th Century book in manuscript giving questions and answers to problems in navigation including Plain Sailing; Traverse sailing; oblique sailing; turning to windward, current sailing, parallel sailing; middle latitude sailing; mercators sailing; and various other problems in astronomy. Folio, contemporary panelled reversed calf. Royal Arms blanked on covers in blind