Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 84
ead.The first watch may read-ily be supposed to havebeen of rude execution.The first great improvement — the substitution ofsprings for weights — was in 1560. The earliestsprings were not coiled, but only straight piecesof steel. Early watches had but one hand, and,being wound up twice a day, they… … e
Children's literature
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