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F <br />TA13LE I. -Tangents and, Externals, to a 1', Curve. • <br />Chord =100' f t. <br />Int. <br />Angle <br />Tangent <br />EX <br />Int. <br />Angle <br />Tangent <br />External <br />Int <br />Angle <br />Tangent <br />External' <br />1. <br />40.00 <br />.22 <br />8° ' <br />400.GG. <br />13.99 <br />15° <br />754.32 <br />49.44 <br />10' <br />58.34 <br />.30 <br />10' <br />409.03 <br />14.58 <br />10'. <br />762.80 <br />50.55 <br />110 <br />66.67. <br />.89 <br />20 <br />417.41' <br />15.18 <br />20 <br />771.29 <br />51.68 <br />30 <br />75.01 <br />.40. <br />30 <br />425.79 <br />15.80 <br />30 <br />779.77. <br />52.52 <br />40 <br />83.34 <br />.61 <br />40 <br />434.17 <br />16.43 <br />40 <br />788.26 <br />53.97 <br />50 <br />91.68 <br />.73 <br />.50 <br />442.55 <br />17.07 <br />50 <br />796.75 <br />55.13 <br />2 <br />100.01S7 <br />.72 <br />8 <br />450.93 <br />17.72 <br />16 <br />805.25 <br />56.31 <br />10 <br />108.35 <br />'1.02 <br />10 <br />459.32. <br />1.8.38 <br />10 <br />813.75 <br />57.50 <br />20- <br />116.68 <br />1.19 <br />20 <br />467.71 <br />19.06 <br />20 <br />822.25 <br />58.70 <br />30 <br />125.02 <br />1.30 <br />30 <br />476.10 <br />.19.75 <br />30 <br />830.76 <br />59.91 <br />40 <br />133.36 <br />1.55 <br />40 <br />484.49 <br />20.45 <br />40 <br />839.27 <br />G1.14 <br />50 <br />141.70 <br />1.75 <br />50 <br />492.88 <br />21.16 <br />50 <br />847.78 <br />62.38 <br />3 <br />150.04 <br />1.96 <br />10 <br />501.28 <br />21.89 <br />17 <br />856.30 <br />63.63 <br />.10 <br />158.38 <br />2.19 <br />10 <br />509.68 <br />22.62 <br />10' <br />864.82 <br />64.90 <br />20t <br />166.72 <br />2.43 <br />20 <br />518.08 <br />23.38 <br />20 <br />873.35 <br />66.18 <br />30 <br />175. OG <br />2.67 <br />30 <br />526.48 <br />24.14 <br />30 <br />881.88 <br />67.47 <br />40' <br />183.40 <br />2.93 <br />40 <br />534.89 <br />24.91 <br />40 <br />890.41 <br />68.77 <br />50 <br />191.74 <br />3.21 <br />50 <br />543.29 <br />25.70 <br />50 <br />898.95 <br />70.09 <br />4 <br />200.08 <br />3.49 <br />11 <br />651.70 <br />26.50 <br />18 <br />907.49 <br />71:42 <br />10 <br />208.43 <br />3.79 <br />10 <br />560.11 <br />27.31 <br />10 <br />916.03 <br />72.7G <br />20 <br />210.77 <br />4.10 <br />20 <br />568.53 <br />28.14 <br />20 <br />924.58' <br />74.12 <br />30 <br />225.12 <br />4.42 <br />30 <br />576.95 <br />28.97 <br />30 <br />933.13- <br />75.49 <br />40 <br />233.47 <br />4.76 <br />40" <br />585.36 <br />29.82 <br />40 <br />941.69 <br />76.86 <br />50 <br />241.81 <br />5.10 <br />50 <br />593.79, <br />30.68 <br />50 <br />950.25 <br />78.2G <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 />5 <br />250.16 <br />5.46 <br />12 <br />602.2+1 <br />31.56 <br />19 <br />058.81 <br />79.67 <br />10 <br />258.51 <br />5.83 <br />10 <br />610.64 <br />32.45 <br />10 <br />967.38 <br />81.09 <br />20 <br />266.66 <br />6.21 <br />20 <br />619.07 <br />33.35 <br />20 <br />075.96 <br />82.53 <br />.30 <br />275.21 <br />6.61 <br />30 <br />6'21.60 <br />34.26 <br />30 <br />984.53 <br />83.97 <br />40 <br />283.57 <br />7.01 <br />40 <br />635.93 <br />35.18 <br />40 <br />993.12 <br />85.43 <br />50 <br />291.92 <br />7.43 <br />50 <br />644.37 <br />36.12 <br />50 <br />1001.7 <br />86.90 <br />6 <br />30q.28 <br />7.66 <br />13 <br />652.81 <br />37.07 <br />20 <br />1010.3 <br />88.39 <br />10 <br />308.64. <br />8.31 <br />10 <br />661.25 <br />38.03 <br />10 <br />1018.9 <br />89.89 <br />20' <br />316.99 <br />8.76 <br />20. <br />669.70 <br />39.01 <br />20 <br />1027.5 <br />91.40. <br />30 <br />325.35 <br />9.23 <br />30 <br />G78.15 <br />39.99 <br />30 <br />1036.1 <br />92.92 <br />40 <br />333.71 <br />9.71 <br />40 <br />68G:60 <br />40.99 <br />40 <br />1044.7 <br />94.46 <br />50 <br />342.08 <br />10.20 <br />50 <br />695. OG <br />42.00 <br />50 <br />1053.3. <br />96.01 <br />7 <br />350.44 <br />10.71 <br />14 <br />703.51 <br />43.03 <br />21 <br />1061.9 <br />97.57 <br />10: <br />338.81 <br />11.22 <br />10 <br />711.97 <br />44.07 <br />10 <br />1070.6 <br />99.16 <br />20 <br />367.17 <br />11.75 <br />20• <br />720.44 <br />45.12 <br />20 <br />1079.2 <br />100.75 <br />30 <br />` 375.54 <br />12.29 <br />30 <br />728.90 <br />46.18 <br />30 <br />1087.8 <br />102,35 <br />40' <br />333.91 <br />12.85 <br />40 <br />737.37 <br />47.25 <br />40 <br />1096.4 <br />103.97 <br />50, <br />392.28 <br />13.41 <br />50 <br />745.85 <br />48.34 <br />50 <br />1105.1. <br />105.00 <br />Corrections to be Added (T =Tangent. E=External.) <br />I 13 <br />Augla Curve 5° <br />10° <br />15° 20° 25° 30° <br />35' 40° <br />45° 50° <br />550 <br />60° <br />65° <br />70° <br />50 - T-.02 <br />.03 <br />.05 .06 .08 .10 <br />.11 .13 <br />.15 .16 <br />.18 <br />.20 <br />.21 <br />.23 <br />Ee.000 <br />.000 <br />.001 .001 .002 .002 <br />.002 .003 <br />.003 .004 <br />.004 <br />.004 <br />.005 <br />.005 <br />10 o T=.03 <br />.06 <br />.09 13 .18 .19 <br />.22 25 <br />28 .31 <br />.34 <br />.38 <br />.2 <br />.48 <br />E =.ODI <br />.003 <br />.10 <br />.004 .006'007 .008 <br />.009 .011 <br />Al2 .014 <br />.015 <br />.017 <br />,_018 <br />.63 <br />.020 <br />.88 <br />15° T=•64 <br />.14 19 24 .29 <br />34 39 <br />.45 S1 <br />.53 <br />.58 <br />E =.003 <br />.007 <br />.010 .014 .018 .023 <br />.027 A29 <br />.032 .035 <br />.039 <br />.043 <br />.017 <br />.051 <br />201 T� 06 <br />13 <br />19 .28 32 39 <br />.45 2i1 <br />.58 .65 <br />.72 <br />.79 <br />.84 - <br />.90 <br />E =,000 <br />.011 <br />.017 .022 .028 .034 <br />.038 .045 <br />.051 .057 <br />.063 <br />.070 <br />.078 <br />.083 <br />25o T=.08 <br />.16 <br />.24 .33 .40 .49 <br />.58 87 <br />.75 .83 <br />.90 <br />.99 <br />1.06 <br />1.14 <br />E =.009 <br />.018 <br />,027 .036 .046 .050 <br />.065 .074 <br />.063 .093 <br />.108 <br />.120 <br />.127 <br />.135__J_ <br />TABLE I. - Tangentsand Externals to a 1° Curve. ' III <br />Chord =100 it. <br />In <br />Angle <br />Tangent <br />_ <br />External <br />Int. <br />Angle <br />Tangent <br />g <br />External <br />Int' <br />Angle <br />Tangent <br />e <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 />10' <br />1122.4 <br />108.90 <br />10' <br />1490.7 <br />-190.74 <br />10' <br />1870.9 <br />297.7 <br />2U <br />1131.0 <br />110.57 <br />20 <br />1499.6 <br />192.99 <br />20 <br />1880.1 <br />300.6 <br />3U <br />1139.7 <br />112.25 <br />30 <br />1508.5 <br />195.25 <br />- 30 <br />1389.4 <br />303.5 <br />4U <br />1148.4 <br />113.95 <br />40 <br />1517.4 <br />197.53 <br />40 <br />1898.6 <br />306.4 <br />bU <br />1157.0 <br />115.G6 <br />50 `.1526.3 <br />.086 .109 <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 />1954.3 <br />324.1 <br />5O <br />1209.2 <br />126.20 <br />50 <br />1580.0 <br />213.86 <br />50 <br />1963.6 <br />327.1 <br />24 <br />1217.9 <br />128.00 <br />31 <br />1589.0 <br />216.3 <br />38 <br />1972.0 <br />330.2 ' <br />10 <br />1226.6 <br />129.82 <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 />1624.9' <br />226.0 <br />40 <br />2010.2 <br />342.4 <br />50 <br />1261.5 <br />137.23 <br />50 <br />1033.9 <br />228.4 <br />50 <br />2019.6, <br />345.5 <br />25 <br />1270.2 <br />139.11 <br />32 <br />1643.0 <br />230.9 <br />39 <br />2029.0 <br />348.6 <br />10 <br />1279.0 <br />141.01 <br />1 <br />1652.0 <br />233.4 <br />10 <br />2038.4 <br />351,8 <br />20 <br />1287.7 <br />142.93 <br />2¢J <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 />146.79 <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 />2076.0 <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 />30 <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 />256.5 <br />40 <br />2123.3 <br />380.8 <br />50 <br />1366.8 <br />160.76' <br />50 <br />1742.6 <br />259.1 <br />50 <br />2132.7 <br />384.1 <br />27 <br />1375.6 <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 />4402.0 <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 />400.8 <br />_ <br />50 <br />1419.7 <br />173.27 <br />50 <br />1797.4 <br />275.3 <br />50 <br />2189 9 <br />404.2 <br />28 <br />1428.6 <br />175.41 <br />35 <br />1806.6 <br />278.1 <br />42 <br />2199.4 <br />407.6 <br />10 <br />1437.4 <br />177.55 <br />10 <br />1815.7 <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 />181.59 . <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 />X10 <br />1843.3 <br />289.2 <br />40 <br />2237.7 <br />421.4 <br />50 <br />1472.9 <br />186.29 <br />50 <br />1852.5 <br />292.0 <br />50 <br />2247.3 <br />425.0 <br />Corrections to be Added (T=Tangent. E=External.) <br />lut. <br />Augla Curve P <br />`20o <br />10° <br />15° <br />20° <br />25° 30° <br />35° 40° 45° 50° 55° 60° 65° 70° <br />T=.06 <br />.13 <br />.19 <br />.26 <br />.32 .39 <br />.45 1 .51' .58 .65 .72 .79 .84 .90 <br />E=.006 <br />.011 <br />.017 <br />.022 <br />.028 .034 <br />.038 .045 .051 .057 .063 .070 .076 .083 <br />25° T=.08 , <br />.16 <br />.24 <br />.33 <br />.40 .40 <br />.58 .67 .75 .83 .90 .99 1.00 1.14 <br />E-.009 <br />.018 <br />.027 <br />.036 <br />.046 ..056 <br />.065 .074 .OS3 .093 .106 .120 .127 .135 <br />30o T=.10 <br />.10 <br />.29 <br />.39 <br />.49 .59 <br />.69 .79 .89 .99 1.09 1.20 1.29 1.39 <br />E=.013 <br />.025 <br />.038 <br />.051 <br />.065 .078 <br />.090 .103 .1I6 .129 .149 .170 .179 .188 <br />35° =•11 <br />.22 <br />.34 <br />.47 <br />-.58 .69 <br />.80 .93. 1.05 1.17 1.29 1.42 1.54 1.66 <br />E=.018 <br />..035 <br />.054 <br />.072 <br />.086 .109 <br />.131 .153 .175 .197 .213 .230 .247 264 <br />40° T=.13 <br />.26 <br />.40 <br />.b3 <br />.67 .80 <br />.93 1.06 1.20 1.34 1.49 1.64 1.79 <br />E=.023 <br />':010 <br />.070 <br />.093 <br />.117 .141 <br />.172 .203 .234 :265 277 .290 .315 <br />45° T-15 <br />30 <br />44 <br />.GO <br />.76 .91 <br />1.08 -1.21-IT.-3771.52 1.70 1.87 2.04 E2.21 <br />E=.030 <br />.060 <br />.093 <br />.119 <br />.153 .184 <br />.216 .254 .289 .325 .351 .378 .411 <br />min <br />