Table of Contents

Articles

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  Relative proportion of radium and uranium in radio-active minerals

  E. Rutherford and B. B. Boltwood

  American Journal of Science July 1906, s4-22 (127) 1-3; DOI: https://doi.org/10.2475/ajs.s4-22.127.1
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  Measurement of radium in minerals by the gamma -radiation

  A. S. Eve

  American Journal of Science July 1906, s4-22 (127) 4-7; DOI: https://doi.org/10.2475/ajs.s4-22.127.4
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  Absorption of the alpha -rays from polonium

  M. Levin

  American Journal of Science July 1906, s4-22 (127) 8-12; DOI: https://doi.org/10.2475/ajs.s4-22.127.8
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  Thermal constants of acetylene

  W. G. Mixter

  American Journal of Science July 1906, s4-22 (127) 13-18; DOI: https://doi.org/10.2475/ajs.s4-22.127.13
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  A modification of the Lasaulx method for observing interference figures under the microscope

  Fred Eugene Wright

  American Journal of Science July 1906, s4-22 (127) 19-20; DOI: https://doi.org/10.2475/ajs.s4-22.127.19
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  Datolite from Westfield, Massachusetts

  Edward Henry Kraus and C. W. Cook

  American Journal of Science July 1906, s4-22 (127) 21-28; DOI: https://doi.org/10.2475/ajs.s4-22.127.21
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  The Russian Carboniferous and Permian compared with those of India and America; a review and discussion

  Charles Schuchert

  American Journal of Science July 1906, s4-22 (127) 29-46; DOI: https://doi.org/10.2475/ajs.s4-22.127.29
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  Note on two interesting pseudomorphs in the McGill University mineral collection

  Richard Percival Devereux Graham

  American Journal of Science July 1906, s4-22 (127) 47-54; DOI: https://doi.org/10.2475/ajs.s4-22.127.47
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  The Estacado aerolite

  Kenneth S. Howard and J. M. Davison

  American Journal of Science July 1906, s4-22 (127) 55-60; DOI: https://doi.org/10.2475/ajs.s4-22.127.55
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  On stibiotantalite

  Samuel Lewis Penfield and W. E. Ford

  American Journal of Science July 1906, s4-22 (127) 61-77; DOI: https://doi.org/10.2475/ajs.s4-22.127.61