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Gebrauchsanweisung_Fig1
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  DSC04523.JPG - At start the dials are put to zero, or the existing reading is written down. Here the reading is 7315 ( 7 by the large dial, 31 as indicated on the wheel by the 0 of the nonius, and 5 as the 5th line of the nonius coincides with a line of the wheel dial). Now the pointer follows the closed curve from an arbitrary start point to the end, and the final dial positions are written down again. Let N1 be the difference between the start and end dial numbers, and N0 the result for the red  rectangle.  
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At start the dials are put to zero, or the existing reading is written down. Here the reading is 7315 ( 7 by the large dial, 31 as indicated on the wheel by the 0 of the nonius, and 5 as the 5th line of the nonius coincides with a line of the wheel dial). Now the pointer follows the closed curve from an arbitrary start point to the end, and the final dial positions are written down again. Let N1 be the difference between the start and end dial numbers, and N0 the result for the red rectangle. Download
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