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The ready observator; or an infallible method for determining the latitude at sea: by altitudes of …
printed for the author and sold by Wells [i.e. Welles] and Grosvenor, Stationers, No. 11, in Cornhi…
1771
The ready observator; or an infallible method for determining the latitude at sea: by altitudes of …
printed for the author and sold by Wells [i.e. Welles] and Grosvenor, Stationers, No. 11, in Cornhi…
1771
The ready observator; or an infallible method for determining the latitude at sea: by altitudes of …
printed for the author and sold by Wells [i.e. Welles] and Grosvenor, Stationers, No. 11, in Cornhi…
1771