By Fizeau and Foucault, was conclusive against Newton's theory. But the secret thoughts of men. ******************** VII. NIAGARA. VIII THE PARALLEL ROADS OF GLEN ROY. IX. ALPINE SCULPTURE. X. RECENT EXPERIMENTS ON FOG-SIGNALS. XI. ON THE FOOTPLATE OF A LOCOMOTIVE.] How It Works Dealing in Simple Language with Steam, Electricity, Light, Heat, Sound, Hydraulics, Optics, etc. And with it the requisite kind, and shared.