Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 142
- the nodes into three vibrating parts, SOUND. the parts between the nodal points and the ends beingnearly one-half of the distance between the nodes. Fig. 121. … 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.
Physics · Lantern projection · Electric apparatus and appliances
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Catalog] (1914)](https://img.insideoutlibrary.com/img/200/ia-catalog00aava-46-183.webp)
