[Clarke, William], 1800-1838 · Boston, Munroe and Francis · leaf 228
nd will enter t!ie <lea( mans nviud:., and be conveyed to tlie (ngan ofhearing tlirough the ludc Ja the paht^- and thus the deaf man will hear,vyith a great deal of pleasme, the s(vjnd of the instrument, as has been severaltimes experienced; nay, those who are not deaf may make the… … THE HYDROMETER. The hydrometer is an instrument to measure the degrees of drynessor moisture of the atmosphere. There are various kinds oi* hydrometers; for whatever body either swells orshrinks by dryness or moisture, is ca-pable of being formed into an hydrom-eter ; such are woods of most…
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