* The Epiftie Dedicatorie* 



world* Wherein I confident hough the occafions were di- 

 ners, our cafes are not vnlike . l^tth^goras lykewyfe that 

 grearePhilofbphcr, (or the lingular toyconceiuedof the 

 invention of -that cxcellcnte 'Theoreme of Re&anglc 

 Triangles , made a folempncfaerafice , offering therein an 

 Oxe vnro the Mufcs , asteftifieth V ] animus the author 

 alfo of the former example. So that wee fee thefc men and 

 fundry others that are mentioned in authors, being caned 

 and oucrcorae wytli the incredible delight concerned of 

 their ownedcuices andinuemiom , though they followe 

 partly the peculiar contentationoftheirpriuatfancics,ycc 

 they feme chiefly to refpeft either thegloricofGod or the 

 furtheraunceoffome publike commoditie. Whofegood 

 example in this behalfel will mdeuour to followe, when 

 to reach their rare giftes otherwyfe, is rather to bee wifli* 

 cd , then hoped for . And feeyng it hath ple^fedGod to 

 make mee the inftrument to open thys Noble fecret, that 

 his name might be glorified, and the commoditie of my 

 Country procured therby, I thought it my duty to aduen- 

 ture my crcdite, and make my name the obie&offlaun- 

 derous and carping tongues , rather then fuchea fecrete 

 £houldebeconcealec!,and the vfe thereof vnknowen. 



Howe beneficiall the Arte and cxercifeof Nauigation 

 istothisRealme f there is no man fo fimple but fees, by 

 meanes whereof wee becing fecludedanddiuided from 

 the reft of the worlde.are not withftandmg at it were Cit- 

 tizensofthc worlde , walking through euene corner , and 

 rounde about the fame , and enioymgallthecommodi. 

 tiesof thcw.orlde. How neceflary the perfefte knowledge 

 of the Needle or coropafle is , to the perfe&ion of the Art 

 of Nauigation , yourfelfe who haue long time veric in du- 

 ftrioufly trauailed therein and thereby m it > and other Sea 

 caufcs cxcell others , can beft iudge.Toattainc vnto thy? 

 perfe&ion, and 10 frame, asitwcre,a Theorike, wyth 

 Hypothecs , and rules for the faluing of the apparant irre- 

 gularitie of the Variation (ifit bee a thing poflible or with-» 

 in the compalTeofmanscapacitie) it mult doubt* efle bee 

 done by due obferuation of this new declining propertie, 



wyth 



