The Röntgen Rays

Abstract

WE beg to send you a negative of a frog taken by Prof. Rontgen's method. The clearness with which the several bones have come out is so remarkable, that we consider the picture well worth reproduction, and trust you will find space for it. The larger transparent patch upon one side of the vertebral column is due to a distended lung, its collapsed fellow being evident upon the opposite side (this was proved by subsequent dissec