This, he adds, Howe used for the first time when sailing to relieve Gibraltar in 1782.

Thenceforth it became the rule of the service, and the subsequent signal books contain signals for forming line of battle from two, three, and six columns of sailing respectively.
This Knowles regards as the great reform on which modern tactics were founded.

See his _Observations on Tactics_, 1830.
[4] _Cf._ Boscawen's No.

4.
[5] This may be an Additional Sailing Instruction, the various sets of Additional Instructions not being distinguished in the signal book.
[6] This article may well have been the outcome of Hawke's defeat of L'Etenduere in 1747, when he chased and engaged practically as the instruction directs, and with complete success.
[7] _Cf._ Boscawen's Nos.

9 and 10.
[8] This appears to correspond to Article XXI.