Taken from the Journal of the Society for Army Historical Research, vol. 28, 1950, p.137
“Field Pieces for the Infantry, 1803 – 8th June 1803
To General Sir David Dundas,
The Commander-in-Chief directs me to inform you that it is generally his intention that each regiment of the Line shall have two small field pieces attached to it.” (W.O. 3/36)