Radium, and other radio-active substances : polonium, actinium, and thorium. With a consideration of phosphorescent and fluorescent substances, the properties and applications of selenium, and the treatment of disease by the ultra-violet light / by William J. Hammer.

  • Hammer, William Joseph, 1858-1934.
Date:
1903
Catalogue details

Licence: In copyright

Credit: Radium, and other radio-active substances : polonium, actinium, and thorium. With a consideration of phosphorescent and fluorescent substances, the properties and applications of selenium, and the treatment of disease by the ultra-violet light / by William J. Hammer. Source: Wellcome Collection.

    13/104
    Yll List of Illustkations. Frontispiece: Showing Stage Setting at the time of the author’s Fig. 1: Portrait: Fig. 2: Fig. 3: Fig. 4: Fig. 5: Fig. 6: Fig. 7: Fig. 8: Fig. 9: Fig. 10: Fig. 11: Fig. 12: Fig. 13: Fig. 14: Fig. 15: Fig. 16: Fig. 17: Fig. IP: Fig. IS: Fig. 20: Fig. 21: Fig. 22: Fig. 23: Fig. 24: Fig. 25: Fig. 26: Lecture. “ Pyrophorus Noctilucus. ” Prof. Henri Becquerel. Radio-active Substances. Tubes of Polonium and Radium. Apparatus of M. and Mme. Curie for study of Radio- activity. The Curie Electroscope. Radiograph made by Radium of Disc, Rock-salt, and Pitchblende. Radiograph of Lenses made by Radium. Radiograph showing penetration of Radium rays through steel and lead. Radiograph showing penetration of Radium rays through double thickness of black paper. Radiograph of Mouse made by Radium in 24 hours’ time Radiograph of Mouse and Trap made by Radium, show- ing X-ray characteristics of Radium Rays. Radiograph of Human Hand made by Radium. Photograph of Various Metals, etc., made by Phosphor- escent Sulphide of Calcium. Radiograph made by Radium of various Metals, etc. Prof. Bell’s Radiophone. Ruhmer’s Apparatus for Telephoning over a Beam of Light. Ruhmer’s Wireless Telephone operating at night. Types of Selenium Cells. Mercadier’s Cell. Manometric Flame Telephone and Selenium Cell. Acetylene Flame Apparatus. Selenium Cell for Operat- ing Electric Lamp, Bell, Motors, Cannon, Horn, etc. Three H.P. Motor and Generator supplying bank of Lamps operated by Selenium Cell, Relay, etc. Compressed Gas Buoy controlled by Selenium Cell, etc. Diagram of Circuits of “Selenium” Buoy Apparatus. Ruhmer’s Photographophone. Showing Interior of Ruhmer’s Photographophone.