In 1895 Edison experimented with Roentgen's X-ray and from these experiments developed the fluoroscope.  Edison did not patent this invention but chose to leave this to public domain because of its universal need in medicine and surgery.

Notes

  1. terror-rising reblogged this from templewhite
  2. aperantosynh reblogged this from templewhite
  3. templewhite reblogged this from engineeringhistory
  4. tematem reblogged this from engineeringhistory
  5. engineeringhistory posted this