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SCIENCE 



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Published every Friday by 



the macmillan company 

 The 



American Historical 

 Review 



Vol. X, No. 3 APRIL,, 1905 



The Meeting of the American Historical Association at 

 Chicago. 



The Treatment of History. Goldwin Smith. 



Methods of Work in Historical Seminaries. Geobge 



Burton Adams. 

 The Early Life of Oliver Ellsworth. William Garrot 



Brown. 



Origin of the Title Superintendent of Finance. Henrt 



Barrett Learned. 

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1795-1797. 

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I 

 I 



The Physical Review. 



A JOURNAL OF EXPERIMENTAL AND 

 THEORETICAL PHYSICS 

 Conducted with the Cooperation of THE AMERICAN 

 PHYSICAL SOCIETY BY 



Edward L, Nichols, Ernest Merritt, and Frederick Bedell 



ex. May, 1905. 



TABLE OF CONTENTS. 



Infra-red Absorption Spectra. 1. Gases. 



W. W. Coblentz 

 The Elimination of Gas Action in Experiments on 

 Light Pressure. G. F. HULL 



The Torque between Ihe Two Coils of an Absolute 

 Electrodynamometer. George W. Patterson 



On the Theory of * lectrolytic Rectifier. S. R. Cook 



The Conduction l/osses from Carbon Filaments when 

 heated to Incandescence in Various Gases. 



W. L. Hartman 

 An Optical Determination of the Zero Point in the 

 Telescope-Mirror-Scale Method. 



A. DE Forest Palmer, Jr 



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The Journal of 

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EUGENE L. OPIE, M.D. 



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