[NOVEMBER, 1877.| 
THE 
SCIENTIFIC TRANSACTIONS 
OF THE 
ROYAL DUBLIN SOCIETY. 
VOLUME I. (NEW SERIES). 
MEMOIR No. 2. 
ON THE PENETRATION OF HEAT ACROSS LAYERS OF GAS 
BY 
G. JOHNSTONE STONEY, M.A., #.RS., 
SECRETARY ROYAL DUBLIN SOCIETY. 
[READ BEFORE THE SOCIETY, 21st MAY, 1877.] 
“ublished by the Boyxl Dublin Society. 
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DUBLIN: 
PRINTED BY ALEXANDER THOM, 87 & 88, ABBEY-STRERET, 
PRINTER TO THE QUEEN'S MOST EXCELLENT MAJESTY, 
FOR HER MAJESTY’S STATIONERY OFFICE. 
1877. 
