The Sound of a Man's Voice.
An inquiry macta some time ago as to the greatest distance at which a man's voice could bo heard, leaving of course, the telephone out of consideration, brought out some rather eurioua facts. It was ascertained, for instance, that eighteen miles is the longest distance on record at which a man's voice has been heard. ThU occurred in the Grand Cannon of Colorado, where one man shouting the name "Bob" at one end, his voice was plainly heard at the other end, which is 18 miles away. Lieutenant Foster, on Parry's third Arctic expedition, found that he could converse with a man across the harbour of Port Bowen, a distance of 6696 feet, or about a mile and a quarter ; and Sir John Franklin said that he conversed with ease at a distance of 10 miles.
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Manawatu Herald, 18 May 1899, Page 3
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142The Sound of a Man's Voice. Manawatu Herald, 18 May 1899, Page 3
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