MATTER & ITS PHYSICAL PROPERTIES. 



Divisibility. Unlimited Divisibility. Wollaston's MSerometric Wire. Method of making it. 

 Thickiies* ot a Soap-'Bubble. Wings of Insects. Gilding of Embroidery. Globules of the 

 Blood. Animalcules. Their minute Organization. Ultimate Atoms. Crystals. Porosity. Vol- 

 ume. Density. (Quicksilver passing through Pores of \Vood. Filtration. Porosity of Hydro- 

 phone. Compressibility. Elasticity. Dilatability. Heat. Contraction of Metal used to restore 

 the Perpendicular to Walls of a Building. Impenetrability of Air. Compressibility of it. Elas- 

 ticity of it. Liquids not absolutely Incompressible. Experiments. Elasticity of Fluids. Aeri- 

 form Fluids. Domestic Fire Box. Evolution of Heat by compressed Air. Inertia. Matter in- 

 capable of spontaneous Change. Impediments to Motion. Motion of the Solar System. Law 

 of Nature Spontaneous Motion. Immateriality of the thinking and willing Principles. Lan- 

 guage used to express Inertia sometimes faulty. Familar Examples of Inertia. 



TOL,. II. 2 



