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Urania practica : or, practical astronomie : in VII parts ... unto which is added (for benefit of sea-men) diverse rules and tables, of extraordinary use in navigation : all which rules, tables, and calculations, have been compared with the best approved authors and observations, and made more compendious than any hitherto bin publish[ed] : nothing of this nature being extant in the English tongue : calculated for the meridian of London / by Vincent Wing, and Will. Leybourn ...