K c 3 

·,f 

WMldington, Robt., teacher of mathematies, late mathematieal master 
. of the royalacademy at Portsmouth. An e pi tome of thcoretieal 
anel praetical na v i g a t i 0 ll, eontaining a co m pIe t e s y s t e rn 0 l' 
that art, greatly improved. (Anu wiuely different fi'om the present 
Iaborious, and, in some respects, erroneous method of teaching) 
1'rom sel1' -evident demonstration, 1'ounded on many years experienee 
in the several voyages made by the author; ete. (Donation 
Lieehtenstein.)· (. Fol. London 1777.