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TABLE I. - Tangents and Externals to a 1° Curve. <br />Chord =100 ft. <br />External . <br />49.44 1 <br />50.55 <br />51.68 <br />52.82 <br />53.97 <br />55.13 <br />Corrections to be Added (T =Tangent. E =External.) - <br />TABLn L Tangents and Externals to a 1° Curve. III <br />Chord =100 ft. <br />Angle <br />Tangent <br />External <br />t <br />die <br />Tangent <br />External <br />InL <br />Angle <br />Tangent <br />External <br />22° <br />1113.7 <br />107.24 <br />29° <br />1481.8 <br />188.51 <br />36° <br />1861.7 <br />294.9 <br />101 <br />1122.4 <br />108.90 <br />10' <br />1490.7 <br />190.74 <br />1.0' <br />1870.9 <br />297.7 <br />20 <br />1131.0 <br />'110.57 <br />20 <br />1499.6- <br />192.99 <br />20 <br />1880.1 <br />_ <br />300.6 <br />30 <br />1139.7 <br />112.25 <br />30 <br />1508.5 <br />195.25 <br />30 <br />1889.4 <br />303.5 <br />40 <br />'1148.4 <br />113.95 <br />40 <br />1517.4 <br />197.53 <br />40 <br />1898.G <br />206.4 <br />50 <br />1157.0 <br />115.66 <br />50 <br />1526.3 <br />199.82 <br />50 <br />1907.9 <br />309.3 <br />23 <br />1165.7 <br />117.38 <br />30 <br />1535.3 <br />202:12 <br />37 <br />1917.1 <br />312.2 <br />10 <br />1174.4 <br />119.12 <br />10' <br />1544.2 <br />204.44 <br />10 <br />1926.4 <br />315.2 <br />20 <br />1183.1 <br />120.87 <br />20 <br />1553.1 <br />206.77 <br />20 <br />1935.7 <br />318.1 <br />30 <br />1191.8 <br />122.63 <br />30 <br />1562.1 <br />.209.12 <br />30 <br />1945.0 <br />321.1 <br />40 <br />1200.5 <br />124.41 <br />40 <br />1571.0 <br />211.48 <br />40 <br />19554.3 <br />324.1 <br />50 <br />1209,2 <br />126.20 <br />5o <br />1580.0 <br />213.86 <br />50 <br />1963.6 <br />,327.1 <br />23 <br />1217.9 <br />128.00 <br />31 <br />1589.0 <br />216.3 <br />38 <br />1972.9 <br />. 330.2 <br />10 <br />1226:6 <br />129.8.2 <br />10 <br />1598.0 <br />218.7 <br />10 <br />1982.2 <br />333.2 <br />20 <br />'1235:3 <br />131 65 <br />20 <br />1606.9 <br />221.1 <br />20 <br />1991.5 <br />336.3 <br />30 <br />1244.0 <br />133.50 <br />30 <br />1615.9 <br />223.5 <br />30 <br />2000.9 <br />339.3 <br />40 <br />1252.8 <br />135.35 <br />40 <br />1624.0 <br />226.0 <br />40 <br />2010.2 <br />. 342.4 <br />50 <br />1261.5 <br />137.23 <br />50 <br />1633.9 <br />228.4 <br />50 <br />2019.6 <br />345.5 <br />25 <br />1270.2 <br />139.11 <br />33 <br />1643.0 <br />230.9 <br />30 <br />2029.0 <br />348.6 <br />10 <br />1279:0 <br />141.01 <br />16 <br />1652.0 <br />233.4 <br />10 <br />2038.4 <br />351.8 <br />20 <br />1287.7 <br />142.93 <br />20 <br />1661.0 <br />235.9 <br />20 <br />2047.8 <br />354.9 <br />30 <br />1296.5 <br />144.85 <br />30 <br />1670.0 <br />238.4 <br />30 <br />2057.2 <br />358.1 <br />40 <br />1305.3 <br />1.16.79 <br />'40 <br />1679.1 <br />241.0 <br />40 <br />2066.6 <br />361~.3 <br />50 <br />1314.0 <br />148.75 <br />50 <br />1688.1 <br />243.5 <br />50 <br />20iG.0 <br />364.5 <br />26 <br />'•1322.8 <br />150.71 <br />33, <br />1697.2 <br />246.1 <br />40 <br />2085,4 <br />367.7 <br />10 <br />1331.6 <br />152.69 <br />10 <br />1706.3 <br />248.7 <br />10 <br />2094,9 <br />371.0 <br />20 <br />1340.4 <br />154.69 <br />20 <br />1715.3 <br />251.3 <br />20 <br />2104,3 <br />374.2 <br />30 <br />1349.2 <br />156.70 <br />20 <br />1724.4 <br />253.9 <br />30 <br />2113.8 <br />377.5 <br />40 <br />•1358.0 <br />158.72 <br />40 <br />'1733.5 <br />255.5 <br />40 <br />2123.3 <br />50 <br />1360.8 <br />160.76 <br />50 <br />1742.6 <br />259.1 <br />50 <br />2132.7 <br />_380.8 <br />384.1 <br />" 27 <br />1375.0 <br />162.81 <br />34 <br />1751.7 <br />261.8 <br />41 <br />-2142.2 <br />387.4 <br />10 <br />1384.4 <br />164.86 <br />10 <br />1760.8 <br />264.5 <br />10 <br />2151.7 <br />390.7 <br />20 <br />1393.2 <br />166.95 <br />20 <br />1770.0 <br />267.2 <br />20 <br />2161:2 <br />394.1 <br />30 <br />1402.0 <br />169.04 <br />30 <br />1779.1 <br />269.9 <br />30 <br />2170.8 <br />397.4 <br />40 <br />1410.9 <br />171.15 <br />40 <br />1788.2 <br />272.6 <br />-40 <br />2180.3 <br />50 <br />1419.7 <br />173.27 <br />50 <br />1797.4 <br />275.3 <br />50 <br />2189.9 <br />.400.8 <br />404.2 <br />28' <br />1428.6 <br />175.41 <br />35 <br />1806.0 <br />278.1 <br />42 <br />2199.4 <br />407.6 <br />10 <br />1437.4 <br />177.55 <br />10 <br />1315.7 <br />280.8 <br />10 <br />2209.0 <br />411.1 <br />20 <br />1446.3 <br />179.72 <br />20 <br />1824.9 <br />283.6 <br />20 <br />2218.6 <br />414.5 <br />30 <br />1455.1 <br />181.89 <br />30 <br />1834,1 <br />286,4 <br />30 <br />2228.1 <br />418.0 <br />40 <br />1464.0 <br />184.08 <br />40 <br />1843,8 <br />289.2 <br />40 <br />2237.7 <br />421.4 <br />50 <br />1472.9 1 <br />186.29 1 <br />50 <br />1 1852.5 <br />292.0 <br />50 <br />2247.3 <br />425.0 <br />Corrections to be Added (T = Tangent. E = External.) . <br />Angle <br />Curve P <br />10° <br />15° 20° <br />25° <br />30° 35° <br />40° <br />45° <br />50° <br />55° <br />60°, <br />65° <br />70- <br />20° <br />T=.06 <br />.13 <br />.19 .26 <br />.32 <br />.39 .45 <br />.51 <br />.58 <br />.65 <br />.72 <br />.79 <br />.84 <br />90 <br />E =.006 ,..011 <br />.017 .022 <br />.023 <br />.034 .038 <br />.045 <br />.051 <br />.057 <br />.063 <br />.070 <br />.0a"6 <br />.033 <br />25° <br />0•'=•'08 <br />16 <br />.24 .33 <br />.10 <br />.49 ..58 <br />.67 <br />.75 <br />.83 <br />.90 <br />.99 <br />1.06 <br />1.14 <br />E =.009 <br />.018 <br />.027 .030 <br />.045 <br />.036 _065 <br />.074 <br />.D83 <br />.093 <br />.106 <br />.120 <br />.127 <br />.135 <br />30° <br />T=:10 . <br />.I9 <br />29 .29 <br />.49 <br />AD .09 <br />.70 <br />.30 <br />AD <br />1.09 <br />1.20 <br />1.29 <br />1.39 <br />-B=.013 <br />.025 <br />.038 .051 <br />.065 <br />-078 .090 <br />.108 <br />.116 <br />.129 <br />.149 <br />.170 <br />.179 <br />.188 <br />35° <br />T=.11 <br />.22 <br />34 .47 <br />.58 <br />.69 .80 <br />.93 <br />1.05 <br />X17 <br />1.29 <br />1.42 <br />1.54 <br />1.68 <br />E=.018 <br />,.035 <br />.054 .072 <br />.086 <br />.109 .131 <br />.153 <br />.175 <br />.197 <br />.213 <br />.230 <br />.247 <br />264 <br />40° <br />T=.13. <br />25 <br />AD .53 <br />.67 <br />.90 .03 <br />1.06 <br />1.20 <br />1.34 <br />1.49 <br />1.64 <br />1.79 <br />1.94 <br />E=.023 <br />.046 <br />.070 .093 <br />.117 <br />141 .172 <br />.203 <br />.234 <br />.265 <br />.277 <br />.290 <br />.315 <br />.341 <br />45° <br />T=-15 <br />.30 <br />.44 .60 <br />.76 <br />.91 1.06 <br />1.21 <br />1.37 <br />1.52 <br />1.70 <br />1.87 <br />2.04 <br />2.21 <br />E=-080 <br />.060 <br />.093 .119 <br />,153 <br />.184 .210 <br />.254 <br />.289 <br />.325 <br />.351 <br />378 <br />.411 <br />A45 <br />