Radium and Other Radio-active Elements: A Popular Account Treated Experimentally by Leonard A. Levy, and Herbert G. Willis |
Contents
THE RADIUM EMANATION | 18 |
PHYSICAL EFFECTS ELECTRICAL | 33 |
Effect on Plants and Seedson Spermatozoan Ovan | 41 |
3 other sections not shown
Other editions - View all
Radium and Other Radio-Active Elements. a Popular Account Treated ... Leonard A. Levy,Herbert G. Willis No preview available - 2017 |
Radium and Other Radio-Active Elements. a Popular Account Treated ... Leonard A Levy,Herbert G Willis No preview available - 2018 |
Common terms and phrases
a-ray particle absorbed acid actinium action of radium aluminium apparatus appears atomic weight B-rays barium Becquerel bulbs cause Chapter charged particles classes of rays colour condensed consist of charged crystals deflected disc earth effect produced electricity electroscope emana emanation energy experiment explained exposed exposure fluorescence glass tube glow helium hydrogen induced radio-activity ionization kathode larvæ latter layers lead block LENOX AND TILDEN lens light-tight envelopes liquid luminosity luminous magnetic deviation magnetic field metal mineral molecule obtained ozone pass penetrative power pennies PERCIVAL MARSHALL photographic plate pitchblende placed Plate XVIII pole with wire polonium Poppin's Court Post free probably PUBLIC LIBRARY ASTOR quantity of radium radiation radio-active elements radio-active substance radium bromide radium chloride radium preparation radium rays radium salt screen shown shows solution spark gap spinthariscopic spinthariscopic effect thorium TILDEN FOUNDATIONS tion uranium nitrate willemite x-rays y-rays YORK PUBLIC LIBRARY zinc sulphide