A laboratory course in experimental physics (1896)
Loudon, W. J. (William James), McLennan, John Cunningham, joint author · New York and London, Macmillan and Co. · leaf 97
the screw point and apoint midway between the two\ pivots. The circular measure* of the angle through which theinstrument has been turned is then —, and if this ratio is multi- y plied by 3437.748 or 206264.9,the angle is given in minutes orseconds respectively. Exercise I. — To investigatethe run… … LEVEL TESTING. 87 limit of the run of the bubble in practice. The micrometerdisc is then turned over equal spaces, and the run of the bubblecarefully noted. When the bubble has been moved over itscourse, it should be moved in the opposite direction in the samemanner, and the whole operation…
Physics
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