Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
y mercurial ther-mometers there are three kinds,Faltrenheit, Centigrade, and Reau-mur ; respectively represented inthe diagram by F, C, and K. TheF. is mostly employed in theUnited States and England; theC, in France; and the E., in Ger-many. The principle of operationis the same in all; the… … HEAT. 165 being marked 32°. and the boiling point. 212°. The zero in tliis is 32°below the freezing point. In the Centigrade, the freezing point (zero) is marked 0, and theboiling point, 100°. In the Beaunmr, the freezing point (zero) is also marked 0, but theboiling point 80°. All degrees below…
Physics · Astronomy
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