Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 142
The Metallophone. The metallophone is similar in form to the zylophone, but,as its name suggests, the vibrating bars are made of metal— Fk; 122. … ^ .j&A^^A.Ar^ Music Box hardened steel. The bars rest at their nodes on soft woolencords, secured to the upper edges of a resonator forming I20 EXPERIMENTAL SCIENXE. the support of the entire series of bars. The resonator istapered both as to width and depth, and serves to greatlyincrease the…
Physics · Lantern projection · Electric apparatus and appliances
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