MATTER & ITS PHYSICAL PROPERTIES. 



Divisibility, — Unlimited Divisibility. — Wollaston's Micrometric Wire. — Method of making it- 

 Thickness of 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 Wood. — Filtration. — Porosity of Hydro- 

 phane. — 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. 



