Group III. — Booted and Silvered Globes in Air. 
RADIATION IN ABSOLUTE MEASURE AT VERY LOW TEMPERATURES. 
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379 
* The enclosure was removed at the end of this experiment, and the silvered globe was found to be just as bright as Avhen hung in position. Globe 
repolished on October 8, 1906. 
f When the enclosure was opened at the conclusion of this experiment, the silvered globe had a dull white surface due to condensation of mercury 
vapour upon the globe. 
presented 
