Abstract
IN investigating modes of vibration of truncated conical shells of paper, aluminium, and glass, the frequency of a certain resonance group was found to be dependent upon the dimensions only. Table 1 gives some of the data obtained when the cones were driven in a large, highly damped room, by a coil 2.5 cm. in radius wound on a short paper tube.
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References
McLachlan and Sowter, Phil. Mag., 12, 771; 1931.
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McLACHLAN, N. Air Column Resonances and Symmetrical Modes of Truncated Conical Shells (Loud Speaker Diaphragms). Nature 129, 202–203 (1932). https://doi.org/10.1038/129202b0
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DOI: https://doi.org/10.1038/129202b0
