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| The History of Speed Measurement in MPH https://www.rypn.org/forums/viewtopic.php?f=1&t=27934 |
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| Author: | Joshua K. Blay [ Wed Aug 12, 2009 8:07 am ] |
| Post subject: | The History of Speed Measurement in MPH |
Can anyone tell if it was the railroads that fostered this measurement? I'm look for some supporting history either way, either in print on virtual copy. Joshua |
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