15.
[3] This plan of attack bears a strong resemblance to that which Nelson intended to adopt at Trafalgar.

'Nelson,' says Captain Mahan, 'doubtless had in mind the dispositions of Tourville and De Ruyter.'-- _Life of Nelson_, ii.351.Hoste, however, it would seem, though a devout admirer of both Tourville and De Ruyter, gives the credit to Lord Torrington.

It was not introduced officially into the British tactical system until Lord Howe adopted it in 1792.

It was retained in the subsequent Signal Books and Instructions.
[4] This proviso was added to the signal in the edition of 1799, and a corresponding explanatory instruction (No.

24) was provided.