Crookes tube
In 1896, Wright had been experimenting with Crookes tube of spherical shape to generate long exposure x-ray photographs. He believed the cathode rays exuded in the sphere were dynamically different from those discovered by Phillipp Lenard only a year earlier. For the future, Wright intended to research aluminum's behavior under an x-ray and its effect paired with an electric current. Wright saw the possibility of using the rays for surgical and medical fields, predicting the rise of x-ray technology.