Help wanted please. The following description of a mortar appears in General Staff Handbook of the Mexican Army 1906. London; War Office, 1906. Naval & Military Press undated reprint, as part of the equipment in the Mexican artillery.
These guns are something of a mystery to me, as they do not appear in photographs nor are they described in any other MR sources I have come across. Given that we are talking 1906, can any body shed any light on what they were, please?
80 mm Mortar. Weight of gun 154 lbs; length of bore 30”; weight of shell 13.5 lbs; rifling 24 grooves, twist uniform.