Baly, E. C. C. (Edward Charles Cyril), b. 1871 · London, Longmans, Green · leaf 270
hatthe galvanometer needle will be deflected by an amount pro-portional to the difference in temperature between a and b.In practice a and b are both brought close together, so as tosecure their both being affected equally by change of the roomtemperature; one alone is exposed to the radiation, the…
Spectrum analysis
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