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)
334- Figure 33. —High-pressure steam.—Under an in-crease of pressure the boiling point rises, and the elastic force of thesteam evolved becomes correspondingly greater. To demonstrate this, a spherical boiler is provided, having an in-verted mercurial tube, A, with its mouth near the bottom of…
Physics · Astronomy
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