A Manual of Experiments in Elementary Science: Teacher's Edition (1918)
Curtis, Francis D. · Charles E. Merrill Company · leaf 57
his experiment through with the class, making full and adequate explanations. The experiment should teach that an accurate thermometer does not neces¬ sarily need to register 100° C. or 212° F. always, for the varia¬ tions in barometric pressure from day to day will make a differ¬ ence of several… … respectively, a difference of 2.7 cm. or 1.06 in. in the barometric pressure will make a difference of about 1° C. or 1.8° F. But this holds true only for temperatures near 100° C. or 212° F i.e. the rise in boiling point does not increase proportionally with the rise in pressure. Also a rise in…
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