Pre. WW2 Armourers instruction manual covering Rifles, Bayonets, Scabbards, Pistols, Hotchkiss, Lewis, and Vickers Machine Guns Ect., valuable information for the gunsmith, WW2 re-enactment buff, and anyone who maintains and repairs small arms and weapons.

"The series of books entitled "The machine gun" was begun with the belief that the next best thing to actual knowledge is knowing where to find it. The research summarized within the covers of these volumes has been compiled by the Bureau of Ordinance, Department of the Navy, in order to place in the hands of those rightfully interested in the art of automatic weapon design, the world's recorded progress in this field of endeavor."--Vol. II, p. v.

British War Office notes, circa 1931, provide unit armourers with detailed information on how to: strip and reassemble the bolt and magazine; clean a rusty barrel, clear an obstructed bore, check headspace, replace a bolt head, adjust trigger pull, troubleshoot misfires, fit a new striker, blacking sights, and fit a new fore end.