Merchant, F. W. (Francis Walter), 1855-1937, Fessenden, Cortez, b. 1852 · Toronto : Copp, Clark · leaf 285
Fig. 220. and lift it out (Fig. 220). Describe what you observe. Experiment 2. Suspend the mineral by means of a wire stirrup and silkfibre, as shown in Fig. 221.
Physics
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