The study of radium and radio-activity long ago became a subject of great interest, not only for the pure scientist, but also for the physician and his patients. The search for radium-containing ores in this country, while it has been successful in demonstrating the wealth contained in the earth, has also evidenced the great scarcity of this metal. It is important, therefore, to study the numerous springs of this country in the light of their radio-activity. Although the analyses made in this country are not numerous, it is to be hoped that in the course of years the contributions to our knowledge of the radio-active properties of our springs will become more numerous. It is with this aim that the following investigations were undertaken. Before detailing the results of these investigations, a few historical facts may be pertinent.
Since the discovery of the "x-rays" by Roentgen1 in
HEMMETER JC, ZUEBLIN E. THE RADIO-ACTIVITY OF THE MINERAL WATERS OF HOT SPRINGS, WARM SPRINGS AND HEALING SPRINGS IN HOT SPRINGS, VA.. Arch Intern Med (Chic). 1915;XV(2):188–203. doi:10.1001/archinte.1915.00070200010002