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SPEEDOMETER ATTACHMENT WHICH PERMITS A DIRECT READING IN KILOMETERS PER HOUR FROM A MILES PER HOUR SCALE AND CONVERSELY
SPEEDOMETER ATTACHMENT WHICH PERMITS A DIRECT READING IN KILOMETERS PER HOUR FROM A MILES PER HOUR SCALE AND CONVERSELY
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机译:速度计附件,允许每小时从英里数每小时直接读取千公里数,反之亦然
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摘要
A simple and easy to mount outer attachment to automobile speedometers the scale of which reads in another speed unit than is used in the country the car is driven. The attachment consists of a strip that can be affixed on the scale glass parallel to the scale and by means of one or more rabbets or slots holds letters or numbers made with extensions corresponding to the slots. The letters and numbers can be placed along the strip in such order and figuration that they represent the desired secondary scale and then are fixed on the strip.
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