In the late 19th century, roughly between 1859 and 1862 years, a French inventor “Jarre” obtained several patents for weapons deal. U.S. patent was filed in 1873. Applied at this time hairpin ammunition in connection with studs protruding from the sleeves, creating difficulties for their alignment with respect to the shock of the hammer in a multiply charged weapons. Jarre decided to make the chamber by horizontal block, which housed ammunition. In fact been deployed in a horizontal line drum. Due to the fact that the chamber by a block in appearance very much like a harmonica, the weapon was called Harmonica Pistol or Harmonica Pistol Jarre.