It A L AND RARE MEMORIALS 



rtayrtf ng to the Perfedl Arte of 



NAVIGATION: 



nexed to t he P A R A D 6 x A L 'Cumpns , in PUyne : 

 now firft published ; 24. yeres, after the firjft 

 Inuenticm thereof. 



A ~0 JL Tsl 



No. 7215 

 A very rare work on navigation. 



