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)
ion and con-traction. The Niagara Suspension Bridge is deflected only about six inches bythe heaviest trains of cars, while the expansion and contraction of itscables, by change of temperature, cause the bridge to rise and fall abouttioo feet. The cables of the suspension bridge being constructed… … 216. Co-efB.cient of expansion. — The co-efficient of lineal expansion isthe small amount gained in the lengthof a rod, a foot long, when heated from32° to 33° F. The co-efficient of cubic expansion isthe small fraction of its volume, bywhich a solid, liquid, or gas is increasedwhen heated from 32°…
Physics · Astronomy
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