Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 1151
f mans efforts tocast his burden of hard labor upon forces whichare all around us, if we but know how to releaseand employ them. When some of the poten-tial power of a pound of coal was first releasedand harnessed to operate machinery a vital stepin the progress of humanity and civilizationwas…
Children's literature
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