Rare harbor chart of Brest, published in London by John Luffman.
The text at the bottom notes:
Brest Harbour, The Finest in France, opens to the Atlantic & has every accommodation for shipping: It is capable of containing 500 Sail & is situated in the Department of Finisterre 325 miles W. by S. of Paris Late 48. 23 No. Longe 4. 26W.