( 88o ) 
dance of excellent refearches of his Curiofity, which he faith he 
is preparing for the publick. Hisn^ain defjga in this work be 
affirms to have been no other, than to reduce into Art, as metho- 
dically as he could, a Science fo neceffary and ufeful to the State, 
to render it familiar,and to quicken thofe that are knowing in the 
Machematicks and ip Naval Architcfture, to enquire after infalli- 
ble ways of making Ships fail better, and to findout the juft 
weight of a Ships burden,and its true Symmetry ,and fo to bring 
this Art to perfedion. 
The Orderjby him obferv'd in this Treaty, is this : In theory? 
Book he delivers the Terms of Geometry , abd the life of the 
CompaflTes neceffary to reprefent the plan and the proportion 
of a Ship; as alfo the ufual Terms of Marine; the Definitions of 
the feveral forts ofVefTels; the Proportions and Meafuresof 
all the parts of a 8hip,cxhibired in their feveral figures ; a gene- 
ral Defer iption of all the Inftruments , Workmen , and other 
- neceflfaries for equipping a Fleet to go to Sea s tcJgelher with an 
accountof the Charges of building a Man of War of io6, and of 
another of 1 1 g feet by the Keel. To which is added a lift of 
the Officers, neceffary to command and defend a Man of War ; 
as alfo the Number and Names of the Men of War and their Offi- 
cers now in the fervice of his French Majefty. 
In the/f<:i)W Book, he gives the explication of the Terms for 
the building of a Gaily and Chaloup 5 and withal enume- 
rates the feveral parts of them, reprefented alfo by their figures ; 
adding likewife a general Defcription of all neceffaries for fit- 
ting out fuch VeflTels , fo as to keep fix Months at Sea ; together 
with theOrdersofhis King touching the Salutes at Sea. 
The f^iV^ Book contains the Tables of Longitude and Lati- 
tude of Places, and likewife of the TydeSjand their Currents ^ 
together with the Routs, Courfes and Diftancesof t*e principal 
Ports of all the four parts of the World^and the 5hallow$,Rocks 
and other dangers therein. 
And forafinuch as the Building of Ships.ferves principally for 
Trade, the Author hath, for the fake of Merchants, annexed the 
Rouner of rhe Eaft and Wejl^hdies, extrafted out of the mod 
modern and beft Authors, containing above 3© Navigations , to- 
gether with the proper Seafons to make thofe Voyages , and the 
feveral Soundings, AokeriDgs,and Sea- ports: Promifing withal 
topublilh in due time another Treatife under the Title of, The 
Stienceof the S Hot. \ Having 
