Typed third draft of paper on sound energy by Frederick Lanchester, 01 March 1933
LAN/1/10/22
Item
01 March 1933
Lanchester says: “In the present article a demonstration is given of a simple method of determining the fundamental relationships which are of immediate importance in the reproduction of sound, also by way of example the application of the principles concerned to the gramophone and the loud speaker”.
17pp
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