PHILOSOPHICAL TRANSACTIONS 
OF THE 
ROYAL SOCIETY OF LONDON. 
O 
Series A, Yol. 214. Pp. 277-294. 
ON THE ORIGIN OF THE ELECTRON EMISSION 
FROM GLOWING SOLIDS. 
BY 
FRANK HORTON, Sc.D. 
LONDON: 
PUBLISHED BY THE ROYAL SOCIETY, 
AND SOLD BY HARRISON AND SONS, ST. MARTIN’S LANE. 
DULAU AND CO., LTD., 37, SOHO SQUARE, W. 
1914. 
A 516. 
Price One Shilling , 
24.9.14 
