1803,General Standing Orders for Third, or Prince of Wales’s Dragoon Guards, Edinburgh: R. Allan, Instructions for the Guard, Article 16, pp. 162-163,[1]
TheCarbines must be regularly place in thearm rack, according to each man’s number in the Guard.
[Thecarbines] disappeared mysteriously from lockedarm-racks, and in the hot weather when all the barrack doors and windows were opened they vanished like puffs of their own smoke.