School Compendium of Natural and Experimental Philosophy - Embracing the Elementary Principles of Mechanics, Hydrostatics, Hydraulics, Pneumatics, Acoustics, Pyronomics, Optics, Electricity, Galvanism, Magnetism, Electro-Magnetism, Mag... #229901

The School Committee of the city of Boston having recently furnished the Grammar Schools with apparatus for exemplifying the principles of Natural Philosophy, the author of this work, who, for twenty years, has been at the head of one of these large establishments, and has felt the want of an elementary treatise unencumbered with extraneous matter, has been induced to attempt to supply the deficiency. If he is not deceived in the result of his labors, the work will commend itself to notice by the follow ing features.