| Title | A system of natural philosophy : in which the principles of mechanics, hydrostatics, hydraulics, pneumatics, acoustics, optics, astronomy, electricity, magnetism, steam engine, electro-magnetism, electrotype, photography, and daguerrotype, are familiarly explained, and illustrated by more than two hundred and fifty engravings, to which are added questions for the examination of pupils : designed for the use of schools and academies / by J.L. Comstock.
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