Merchant, F. W. (Francis Walter), 1855-1937, Fessenden, Cortez, b. 1852 · Toronto : Copp, Clark · leaf 208
ely fill the bulb and tube. Againheat the bulb, and the contained mercury will expand, causingsome to overflow at the open end of the tube. While themercury is overflowing, direct a blow-pipe flame upon the openend and seal it up, at the same instant removing the bulbfrom above the flame. The… … Fig. 160. Fig. 161. 4. Finding the Freezing Point. On a convenient support place a funnel, fill it with snowor melting ice, and place in it the bulb of your thermometer,as shown in Fig. 160. The mercury, contracting faster thanthe glass, will drop down the tube. When the mercury ceasesto fall,…
Physics
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