Search Results - parallel navigation
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The mariner's instructor: Being an easy and expeditious method, whereby a master may teach the art of navigation in a short time: design'd chiefly for those persons who cannot spare more time in learning it than is absolutely necessary. Containing the gregorian or new calendar: the description and use of the plain and gunter's scale; geometrical problems: plain, traverse, and mercator's sailing. Parallel, middle latitude, oblique, and current sailing: rules an directions to work an observation:
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