By the beginning of the eighteenth century there appeared to be two approaches to fire tactics for infantry; one stressed firepower, the other shock, the charge with the bayonet. The first method was a case of controlled volleying, in either battalion or company form, or by alternate ranks, three at a time, with the aim of reducing the enemy’s numbers. The purpose of the firepower tactic was to batter the opponents’ will to stand their ground or crush their attempt to attack by launching a continuous fusillade of fire by each of the three ranks firing in turn. By the nineteenth century the firing line became two ranks.
The three ranks of the British Army during the early part of the eighteenth century would ‘lock up’ the files in the ranks for firing. The front rank would kneel down, the second rank would move slightly to its right and the third rank would move half a pace to its right making each file in echelon with the firelocks of the two rear ranks levelled through the file intervals.
On the command ‘make ready’ (present your firelocks), then (give) ‘fire’ the firing would be continuous with each rank firing in turn, setting up a constant fusillade of fire. A battalion could divide its fire by firing volleys from each company or division in turn, with those who had fired having time to reload.