Context

Context of Mr. Blundevil his exercises : contayning eight treatises, the titles whereof are set down in the next printed page : which treatises are very necessary to be read and learned of all young gentlemen, that have not been exercised in such disciplines, and yet are desirous to have knowledge as well in cosmographie, astronomie, and geographie, as also in the art of navigation, in which art it is impossible to profit without the help of these or such like instructions
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