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Photographic study of sound propagation within convex and concave
Photographic study of sound propagation within convex and concave (1 of 4)
Photographic study of sound propagation within convex and concave (2 of 4)
Photographic study of sound propagation within convex and concave (3 of 4)
Photographic study of sound propagation within convex and concave (4 of 4)
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JPEG
Original Format:
Still
Post Date: December 13, 2022
Last Modified: December 13, 2022
Photographic study of sound propagation within convex and concave
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Date of Production:
October 09, 1930
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Date of Publishing:
October 09, 1930
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Post Date: December 13, 2022
Last Modified: December 13, 2022
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