US INDIAN WAR ERA ARMY OFFICERS PRIVATE PURCHASE RARE FOLDING WOOD FRAME “CAMP CHAIR”, BACK IS STAMPED ON THE BOTTOM FRAME “PATENTED JULY 17, 1866 / B.J. HARRISON NEW YORK”

TWO US POST WWII ERA? .30 CALIBER “BARREL WEAR” GUAGES, BOTH ARE STORED IN 2 5/8″ X 2 1/2″ X 20″ OAK CARRING CASE, STENCILED “GUAGE, BARREL WEAR, CALIBER .30, / FOR LINED AND PLATED BARRELS / PART NO. 7319994” & A LARGE THICK WASHER TYPE HM’ED “WEAR CHECK GUAGE PART #7274724”, FINE CONDITION