Publisher's Synopsis
Excerpt from Report on Technical Investigation of Odometers
In order to select and to calibrate from time to time a standard test instrument, a 1 - mile calibration course was measured and marked on a new, unopened section of a freeway in Washington, D. C. This course, in the center of the outside lane on a fairly straight section of the freeway, was measured with a calibrated 100-foot steel tape held flat on the pavement under the prescribed lo-pound tension. A checkmeasurement of the course differed from the original measurement by less than 1 part in 20, 000.
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