Merchant, F. W. (Francis Walter), 1855-1937, Fessenden, Cortez, b. 1852 · Toronto : Copp, Clark · leaf 171
Fig. 132. placed that the point of a fine style attached to the lower sideof one of the prongs just touches the upper smoked surface ofa piece of glass, placed on the table below it. A straight stripof board is tacked to the table to serve as a guide for theglass. Set the fork in motion by drawing…
Physics
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