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a-rays acid Actinium actually amount of radium apparatus argon atomic weight barium bismuth bulb calculated calorie capillary tube carbon dioxide carried cent centimetres charge of electricity coloured copper cubic centimetre cubic millimetre definite disintegration earth effect electric charge electrons electroscope element emits a-particles equilibrium experiments figure fraction gases gives rise glass gram gram of radium half-life period heat helium hydrochloric acid hydrogen and oxygen ionisation ions liquid air lithium Madame Curie material matter measured mercury mesothorium metal method milligram molecules niton nitrogen numerous illustrations observed obtained ordinary oxide particles penetrating phosphorescence photographic plate pitchblende polonium present pressure produced Professor properties pump quantity of radium radiations radioactive radiothorium radium chloride radium salt Ramsay rate of decay ratio rubidium Rutherford seen shown similar sodium solution spectrum sulphate surface temperature thorium tion trace uranium minerals velocity vessel volume X-rays y-rays
Page 188 - Cambridge ; the Royal Observatory, Greenwich. BOTANY. By ROBERT BENTLEY, Professor of Botany in King's College, London. ZOOLOGY. By ALFRED NEWTON, MA, FRS, Professor of Zoology and Comparative Anatomy in the University of Cambridge. MATTER AND MOTION. By J.
Page 190 - Fern Portfolio (The). By FRANCIS G. HEATH, Author of " Where to find Ferns," &c. With 15 plates, elaborately drawn life-size, exquisitely coloured from Nature, and accompanied with descriptive text. Cloth boards 8 0 Fishes, Natural History of British: their Structure, Economic Uses, and Capture by Net and Rod.
Page 190 - Heroes," &c. With Map. Crown 8vo. ...Cloth boards S o FISHES, NATURAL HISTORY OF BRITISH : their Structure, Economic Uses, and Capture by Net and Rod. By the late FRANK BUCKLAND. With numerous Woodcuts.
Page 189 - FLS NEW SERIES OF PHOTO-RELIEVO MAPS. (Patented] Size 19 in. by 14 in. ENGLAND AND WALES.— SCOTLAND.— EUROPE. Names of places and rivers left to be filled in by...
Page 190 - J 6 Beauty in Common Things. Illustrated by 12 Drawings from Nature, by Mrs. JW Whymper, and printed in Colours, with descriptions by the Author of "Life Underground,
Page 187 - Small Post 8vo, cloth boards. COAL: and what we get from it. By Professor RAPHAEL MELDOLA, FRS, FIC "With numerous illustrations. 2s. 6d. COLOUR MEASUREMENT AND MIXTURE. By Captain W.
Page 14 - ... when the elements are arranged in the order of their atomic weights.
Page 188 - FRS On Personal Care of Health. By the late EA PARKES, MD, FRS Water, Air, and Disinfectants. By W. NOEL HARTLEY, Esq., King's College.
Page 187 - Illustrated. 2s. 6d. THE MACHINERY OF THE UNIVERSE. Mechanical Conceptions of Physical Phenomena. By Professor AE DOLBEAR, AB, AM, ME, Ph.D.