Читать книгу The Modern Clock. A Study of Time Keeping Mechanism; Its Construction, Regulation and Repair онлайн

16 страница из 100

Table of the Length of a Simple Pendulum,

Number of Oscillations per Hour. Length in Meters. To Produce in 24 Hours 1 Minute. Loss, Lengthen by Millimeters. Gain, Shorten by Millimeters. 3,600 0.9939 1.38 1.32 3,550 1.0221 1.42 1.36 3,500 1.0515 1.46 1.40 3,450 1.0822 1.50 1.44 3,400 1.1143 1.55 1.48 3,350 1.1477 1.60 1.53 3,300 1.1828 1.64 1.57 3,250 1.2194 1.69 1.62 3,200 1.2578 1.75 1.67 3,150 1.2981 1.80 1.73 3,100 1.3403 1.86 1.78 3,050 1.3846 1.93 1.84 3,000 1.4312 1.99 1.90 2,900 1.5316 2.13 2.04 2,800 1.6429 2.28 2.18 2,700 1.7669 2.46 2.35 2,600 1.9054 2.65 2.53 2,500 2.0609 2.87 2.74 2,400 2.2362 3.11 2.97 2,300 2.4349 3.38 3.24 2,200 2.6612 3.70 3.54 2,100 2.9207 4.06 3.88 2,000 3.2201 4.48 4.28 by Meters. by Meters. 1,900 3.568 0.0050 0.0048 1,800 3.975 0.0055 0.0053 1,700 4.457 0.0062 0.0059 1,600 5.031 0.0070 0.0067 1,500 5.725 0.0080 0.0076 1,400 6.572 0.0091 0.0087 1,300 7.622 0.0106 0.0101 1,200 8.945 0.0124 0.0119 1,100 10.645 0.0148 0.0142 1,000 12.880 0.0179 0.0171 900 15.902 0.0221 0.0211 800 20.126 0.0280 0.0268 700 26.287 0.0365 0.0350 600 35.779 0.0497 0.0476 500 51.521 0.0716 0.0685 400 80.502 0.1119 0.1071 300 143.115 0.1989 0.1903 200 322.008 0.4476 0.4282 100 1,288.034 1.7904 1.7131 60 3,577.871 4.9732 4.7586 50 5,152.135 7.1613 6.8521 1 12,880,337.930 17,903.6700 17,130.8500

In the foregoing tables all dimensions are given in meters and millimeters. If it is desirable to express them in feet and inches, the necessary conversion can be at once effected in any given case by employing the following conversion table, which will prove of considerable value to the watchmaker for various purposes: