Laboratory exercises in physics for secondary schools (1906)
Twiss, George Ransom, b. 1863 · Chicago, Scott, Foresman and company · leaf 120
tudy some of the phenomenaof melting and boiling. The Apparatus consists of acentigrade thermometer, a tincup (or a beaker), a boiler Fig.20, a Bunsen burner, and aU-shaped open mercury gauge,Fig. 21. Operations.— Observations. —(a) Nearly fill the tin cup withcracked ice and fill the inter-stices… … CUP SCREW-CAPFig. 20—The Boiler. HEAT 99 descend ? Stir the ice and water frequently withthe stick, being careful not to break the thermom-eter. After a time do you find that the mercurybecomes stationary ? If so, take the reading totenths of a degree. While reading the thermometerallow only the…
Physics
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