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Page 



THE EFFECT OF PRESSURE UPON ARC SPECTRA. No. 3.— SILVER ; 



No. 4. — GOLD. By W. C;. Dui fiei.d, D.Sc. (Abstr.ict) 118 



STUDIES OF THE PROCESSES OPERATIVE IN SOLUTIONS. XL— THE 



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THE DISTRIBUTION OF VELOCITY IN THE ;8-RAYS FROM A RADIO- 

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THE DECREASE OF VELOCITY OF THE ^J-PARTICLES ON PASSING 



'THKOUGII MA'I'TER. liy William Wilson, M.Sc, Hon. Research Fellow of the University of 

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RATE OF EMISSION OF a-PARTICLES FROM URANIUM AND ITS 



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ON RADIATION IN A GASEOUS EXPLOSION, liy Bicrtuam IIoi'kinson, F.R.S. 166 

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