STATISTICAL METHOD ON SCALE OF MEASURING INSTRUMENT (Sec. Report) : On the effect of the error caused by the width of scale line, in measuring with the eye.

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  • 計器の目盛に関する統計的研究（第2報）：目盛線の幅が目測誤差に及ぼす影響に就いて

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As, one of the studies of the scale of measuring instruments, in this report, I investigated the effect of the error caused by the width of scale line in measuring with the eye, in case of the definite distance between the two scale lines and the definite width of the compass-needle. Namely, I made the experimental scales act on the scale of existing measuring instruments, and equipped it with the special experimental apparatus which was designed and made by me. And I experimentationed by above mentioned apparatus and analysed the results statistically, to make the reasonable scale.

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