Barton, Edwin H. (Edwin Henry), b. 1858 · London, Macmillan and Co., limited · leaf 591
which was written for Savarts wheel. 558. Expt. 90. Tuning-Fork and Fall Plate.—In thisexperiment, instead of assuming the accuracy of some watchor clock, we assume the value of the acceleration due togravity, i.e. the quantity usually denoted by g. The apparatusconsists essentially of a smoked… … Fig. 98.—Fork and Fall Plate. vertical board D to support the smoked plate E ready forits fall. The fork F carries on one prong a light style G ofthin aluminium foil attached by soft wax. The plate maybe conveniently smoked by the fumes of burning camphor.It is hung by a fine thread passing over…
Sound
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