. Trigonometria. To the He greatest and mofi famous Kings and Thilojo-pbers have with great expence both of time andtreafure, earneflly inquired after theknowledge ofthe Starres, andof their dailymotions and revo„lutions: Andbecaufe it is impoftible to attain un-to it; without the Doctrine of Plain and Spheruml Triangles; the mofi of tbofe which have written of Afironomy, have aLfi written of that Subjeft, according to wbofe Example, it was intended,thatthis Dtfcourfe jhou/d have been prefixed to my Aftronornia Britan-nica, and thefiTables annexed to it; but as the Tables could not well


. Trigonometria. To the He greatest and mofi famous Kings and Thilojo-pbers have with great expence both of time andtreafure, earneflly inquired after theknowledge ofthe Starres, andof their dailymotions and revo„lutions: Andbecaufe it is impoftible to attain un-to it; without the Doctrine of Plain and Spheruml Triangles; the mofi of tbofe which have written of Afironomy, have aLfi written of that Subjeft, according to wbofe Example, it was intended,thatthis Dtfcourfe jhou/d have been prefixed to my Aftronornia Britan-nica, and thefiTables annexed to it; but as the Tables could not well bebrought into the volumn, fo neither would they have been fo ready for ufe byreafon of their bulk,if they bad been thereunto annexedjoere therefore thou haftthem by , with an infiitution proper to them, the fir fi part where-$fwe need not acknowledge to beaColleftion, or the latter a Tranfiation,thy own readings (ifthou art acquainted with Books of this nature) will informtbeeof the firfi,andtbeTit


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Keywords: ., bookcentury1600, bookdecade1650, bookidtrigonometri, bookyear1658