NAVIGATION.
Rare BOOK ocrt. Daboll, Nathan, 1750-1819. XE Daboll's practical navigator: being a concise, 820 easy, and comprehensive system of navigation;
DLP calculated for the daily use of seamen, and also for an assistant to the teacher: containing plane, traverse, parallel, middle latitude, and merca- tor's sailing; with all the necessary tables. Concise rules are given, with a variety of ex- amples in every part of common navigation; also, anew, scientific, and very short method of correcting the dead reckoning; with rules for
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