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DR. A. A. RAMEAUT ON UNDERGROUND TEMPERATURE AT OXFORD. 
Forbes’ observations, does not in this case apply, and if other errors peculiar to 
the platinum thermometers exist, they seem to be confined within much smaller 
limits. 
In fact this mode of thermometry seems especially suited to the investigation of 
underground temperatures on account of its freedom from this source of error, and 
the convenience with which the observations may be made. 
