Étienne-Jules Marey (March 5, 1830 – May 21, 1904) was a French scientist and chronophotographer. This 1882 invention allowed for the capture of 12 consecutive frames per second.
Abstract from the patent:
United States Patent 4907022
A hand held weapon simulating a rifle, shotgun or pistol having a camera pivotally mounted in the area of the usual projectile insertion and ejecting mechanism which has its shutter, focus and f adjustment means mounted in or adjacent the firing chamber which camera is actuated by trigger action of the weapon for taking pictures through the barrel of the weapon.