PHILOSOPHICAL TRANSACTIONS 
OF THE 
ROYAL SOCIETY OF LONDON 
Series A, VOL. 208, pp. 247-273. 
THE EFFECT OF HYDROGEN ON THE DISCHARGE OF 
NEGATIVE ELECTRICITY FROM HOT PLATINUM 
BY 
Professor H. A. WILSON, F.R.S., 
king’s COLLEGE, LONDON, 
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LONDON: 
PUBLISHED BY THE ROYAL SOCIETY 
AND SOLD BY HAKRISON AND SONS, ST. MARTIN’S LANE. 
DULAU AND CO., 37, SOHO SQUARE, W. 
ERIEDLANDER AND SON, BERLIN. 
1908, 
A 432. 
Price One Shilling and Sixpence . 
26.5.08 
