SPEED OF WAVES.
When the temperature of the air is thirty-two degrees, sound waves travel 1,090 feet a second ; and one additional foot a second for each additional degree of temperature. Electric waves in theory travel at 288,000 miles a second ; over a wire where there is no resistance it
travels at th* rate of 192,924 miles a second.
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Bibliographic details
Northland Age, Volume 3, Issue 39, 14 May 1907, Page 2
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59SPEED OF WAVES. Northland Age, Volume 3, Issue 39, 14 May 1907, Page 2
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