In the year 1807 the Regiment consisted of 12 troops of Horse Artillery, 90 marching companies, and 12 companies of invalids, besides the Riding-house establishment, the last-named of which had been formed in 1806. There were also 10 companies of the Driver Corps. The Board of Ordnance decided on augmenting the Regiment by another battalion of 10 companies; and this was the last augmentation of this description which took place during the great wars with France. The _second_ 10th Battalion, as has been stated above, was not formed until 1846; and the others as follows: 11th and 12th Battalions in 1848; 13th Battalion in 1854; and 14th Battalion in 1855. All the augmentations which took place between the formation of the _old_ 10th and the Battle of Waterloo, were in the form of additional numbers to the ranks of the existing troops and companies. [Sidenote: Colonel Macleod to R. H. Crew, Esq., B. of Ordnance.] The receipt in Woolwich, in the winter of 1807, of 1000 stand of arms, was followed in February 1808 by the formation of a new battalion of 10 companies, in every respect like those already existing. The staff of the brigade was as follows. [Sidenote: MSS. R. A. Record Office.] Colonel-Commandant Robert Lawson. Colonels { John Schalch. { Henry Hutton. { G. A. Wood. Lieutenant-Colonels { R. Dickenson. { Thomas Charlton. Major William Dixon. Adjutant 1st Lieutenant William Wylde. Quartermaster Samuel Barnes. The officers appointed to the various companies on their formation were as follows:-- Captains. Second Captains. First Lieutenants.