Introductory course of natural philosophy for the use of schools and academies. Ed. from Ganot's popular physics. By William G. Peck (1869)
Ganot, Adolphe, 1804-1887, Peck, William Guy, 1820-1892 · New York A.S. Barnes · leaf 169
Vlvxtrate. 3. Density of the air? Illustrate. 4. How does wind modify sound?5. Effect of a neighboring sonorous body ? Illustrate. (158) What effect has atube on sound ? 160 POPULAR PHYSICS. sound is transmitted to a great distance without much lossof intensity. M. Biot was able to carry on a… … Fig. 111. This property of tubes is utilized in hotels and dwelling-houses,for transmitting messages from one story to another. The tubesemployed for this purpose are called speaking tubes. The methodof employing the speaking tube, is illustrated in Fig. 111. The Speaking Trumpet. 159. The Speaking…
Physics
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
