. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . bility and expansibility arethe opposites of each other and bothfollow from porosity. The particles ofbodies do not everywhere touch eachother, and force will bring them closertogether, as in the case of a sponge. Ifthe pores are made larger, as is thecase by heating some bodies, the sizeof the body is increased. Divisibility is that quality which ren-ders a body capable of being is claimed that there is practicallyno limit to the divisibility of particles are called a
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . bility and expansibility arethe opposites of each other and bothfollow from porosity. The particles ofbodies do not everywhere touch eachother, and force will bring them closertogether, as in the case of a sponge. Ifthe pores are made larger, as is thecase by heating some bodies, the sizeof the body is increased. Divisibility is that quality which ren-ders a body capable of being is claimed that there is practicallyno limit to the divisibility of particles are called atoms and af^ne illustration of the divisibility ofmatter into atoms may be seen by dis-solving a grain of copper in nitric acid?nd the atotris of copper will impart ablue color to a gallon of water. Extension is that property of a bodywhich has a certain size filling a portionof space. This portion is called itsplace, and is distinguished by dimen-sions embracing length, breadth andthickness. Figure is allied to extension,the form of solids being that of fluids varies, adapting it-. 1!.\LD\V1X, .^ OXTHE GREAT NORTHERN. self to every new surface with whicli itmay come in contact. Gravitation is a force inherent in allbodies by virtue of which they tend todraw every other body to themselves,in a ratio to their size and density. Im-penetrability is that quality wherebybodies occupy certain spaces to the ex-clusion of other bodies, and in virtue ofwhich no two bodies can occupy thesame space in the same time. Inde-structibility is that property which ren-ders a body incapable of being de-stroyed. All matter is possessed oftliis remarkable quality, and while mat-ter may assume new forms and evennew properties it cannot cease to may be noted that the apparentdestructibility of matter as in the caseof the evaporation of water is not iaany sense a loss of water—it is merelya temporary changing of form, thewater falling to the
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1901
