William Williams Keen 1896, March (published) Hand and wrist of an uninjected cadaver, into palmar aspect of which a needle and two buckshot were thrust.
X-ray Internet - Original source ill-defined Published by Philadelphia surgeon, William Williams Keen (1837-1932), in the March 1896 issue of the American Journal of the Medical Sciences, vol. 3, pl. V
I'm indebted to Dan Weinstock for binging this to my attention (9 January 2018).