Smith, Walter, 1836-1886, Smith, Walter, 1836-1886. Industrial art of the International Exhibition · New York, R. Worthington · leaf 358
ses which af-terwards came into •very general use.The earliest formof clepsydra was areservoir, usually atransparent vase,rilled with water.A small orifice atthe bottom allowedthe liquid to flowout gradually, thelevel of its surfacein the vessel mark-ing the time. Latera method by whichthe water… … Enlargement of Norwich Gate: Barnard, Bishop &> Barnards. genious, and tothese pointing stat-ues may be traced,perhaps, the mod-ern dial with itsmovable hands.The earliest formof sun-dial bywhich the time ofday was measuredwas, probably, aplain column erect-ed on some levelspot — the…
Centennial Exhibition (1876 : Philadelphia, Pa.) · Decorative arts
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