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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)

Johnson, Frank G., 1835- · Chicago, A.H. Andrews · leaf 112

An illustration from 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, leaf 112
earth and thelowest horizontal line. Thus it is seen that the difference in the density of the atmosphere,at difiierent altitudes, is very great, rapidly diminishing as the altitudeincreases, which is due to the weight and extreme compressibility of theair. The weight, and consequent pressure of… … 106 PNEUMATICS. Fig. 34.

Physics · Astronomy

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