Army officer best remembered as the inventor of the Thompson submachine gun. DS, one page both sides, 8.5 x 14, April 27, 1895. Thompson’s application for membership in the Society of Colonial Wars, with several entries showing his lineage to a relative named James Thompson, who served in the Colonial Army. Signed at the bottom in fountain pen by Thompson. In fine condition, with some light toning, mild show through from docketing on reverse and expected folds. R&R COA.