Ornament Details
068210100000020_0
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A great improvement in watch-work; which may be of great use at sea, for discovering the longitude. Humbly offer'd to the Consideration of the Learned. With some remarks on another way of discovering the longitude. To which is added, an advertisement Relating to divers other Useful Inventions. By William Palmer, a Lover of Mechanical Motion.
printed by Grace White and Charles Bourne, (executors to John White, deceas'd) and are to be sold by the author
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