2^0 Mr Dowm'e''s charts. April 1 1, 



" III. A c|iart of Edinburgh Frith, from North Berwick 

 to Limekilns, on a scale of an inch and a tenth to a mile 

 in which the pafsage south of Inchkeith is described, with 

 good land marks for it, and for every rock, fhoal, and paf_ 

 sage in the Frith, On the same (heet is a chart of the ri- 

 ver Tay, up to Dundee, on a scale of an inch and a quarter 

 to a mile, with the marks for taking Tay bar, and those ei- 

 ther for sailing or turning up the river to Dundee, 



" IV. A chart of Holy island, the Fern islands, and tfce 

 Staples, with the coast from Sutherland point to Berwick 

 on a scale of two inches to a mile, describing all the paf_ 

 . sages through these rocks and islands, and the pafsage into 

 Holy island harbour, with proper marks for each. In this 

 chart are inserted four sunk rocks not known before, be- 

 sides many others but imperfectly known, all of which are 

 pointed out by conspicuous land marks. 



" These charts are accompanied by a book of directions 

 containing, in the introduction, an account of the time 

 and aianne in which this survey was taken j a descriptioa 

 of the compafses commonly used by the vesfels in the 

 coasting trade, pointing out the errors and defects they are 

 liable to, with the most proper methods (as far as it can be 

 done) of rectifying them, illustrated by a copperplate. 



" A general view of the tide along this coast, giving an 

 account of its rise, strength of the stream, and time of the 

 cuTT'^nt ending at each place. 



" A description of the fiihing batiks, their extent, depth 

 of water on them, and the depths between them and the 

 (bore, with directiou8 by these depths, how to conduct veC 

 sels in the night or in thick weather. 



« 

 Andrews bay, may, with go^d manigTren', be able to be extricated fronj 

 that dAng'^rous aituation without suffe/ n^ damage. There it scarcely a 

 jiear elapsei m which some vefieTt .; e no lost 'n this bay, ni»rely because 

 this particular has not been hitherto known «r ad\ crttd to. 



