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II TABLE I. - Tangents and Externals to a P Curve. <br />Chnrd=100 ft. <br />Int <br />Angle <br />Tangent <br />External <br />Int.,- <br />Angle .' <br />Tangent <br />' . <br />External <br />'Int. <br />.Angle <br />Tangent <br />External <br />1° <br />50.00.22 <br />T=.02.03 <br />8" - <br />400.66 <br />- 13.99 <br />15° <br />.754.32 <br />49.44 <br />101 <br />58.34 <br />.80 <br />10' <br />409.03 <br />14.58 <br />10' <br />762.80 <br />50.55 <br />20 <br />66.67 <br />.39 <br />20, <br />417.41 <br />15.18 <br />20 <br />" <br />•.771,29 <br />51.68 <br />30 <br />75.01 <br />:49 <br />30.. <br />425.79 <br />15.80 <br />-. 30 ' <br />779.77 <br />52.82 <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 />100.01- <br />.87 <br />9'' <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 />18.38' <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 />1.36- <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 />_ <br />40 <br />839.27, <br />61.14 <br />50 <br />141.70 <br />1.75 <br />50 <br />492.88 <br />21.16 <br />So' <br />847.78 <br />` 62.38. <br />8 <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 />20 <br />166.72 <br />2.43 <br />20 <br />518.08 <br />-23:38 <br />20 <br />873.35,'66.18 <br />336.3 <br />30 <br />175.06 <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 />551.70. <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 />72.76 <br />20 <br />216.77 <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 />78.26 <br />5 <br />250.16 <br />5.46 <br />12 <br />602.21" <br />. 31.56 <br />19 <br />958.81 <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 />266.86 <br />6.21 <br />20 <br />619.07 <br />33.35 <br />20 <br />975.96 <br />82.53 <br />30 <br />275.21" <br />6.61 <br />30 <br />627.50 <br />34.26 <br />30 <br />984.53 <br />83.97 <br />40 <br />28357 <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 />300.28. <br />._ 7.88 <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 />678.15 <br />39.99 <br />30 <br />1036.1 <br />92.92 <br />40 <br />333.71 <br />9.71 <br />40- <br />686.60 <br />40.99 <br />40 <br />1044.7 ' <br />94.46 <br />50 <br />342.08_ <br />10.20 <br />50 - <br />695.06_ <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 />358.81 <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 />383.91 <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 />105.60 <br />Corrections to be Added (T =Tangent. E = External.) <br />� (e <br />Curve 5° <br />10° 15° 20° <br />25° 30' 35° 40° <br />45° <br />50° <br />550 <br />60° <br />65° <br />70° <br />5. <br />T=.02.03 <br />.05 .06 <br />.08 " .10 .11 .13-. <br />.15 <br />.16 <br />.18 <br />.20 <br />.21 <br />.23 <br />108.90 <br />E =.000 <br />.000 .001 .001 <br />.002 .002 .002 .003 <br />.00$ <br />.004 <br />.004 <br />.004 <br />.005 <br />.005 <br />loo <br />T=.03.06 <br />.09 .13- <br />.16 .19 .22 .25 <br />.28 <br />".31 <br />.34 <br />.38 <br />.42 <br />.46 <br />1508.5 <br />E=.001 <br />.003 .004 .006 <br />.007 .008 .009 .011 <br />.012 <br />.014 <br />.015 <br />.017 <br />.018 <br />.020 <br />15o <br />T=.04 <br />.10 •'.14 1 .19 <br />.24 .29 .34 .39 <br />.45 <br />.51 <br />.53 <br />.58 <br />.63 <br />.68 <br />50 <br />E=.003 <br />.007 .010 .014 <br />.018 .023 .027 .029 <br />.032 <br />.035 <br />.039 <br />..043 <br />.047 <br />.051 <br />206 <br />T=.06 .13 .19 .26 <br />.32 .39 .45 .51 <br />.58 <br />.65 <br />.72 <br />.79 <br />.84 <br />.90 <br />1926.4 <br />E =:006 <br />.011 .017 .022 <br />.028 .034 .038 .045 <br />.051 <br />.057 <br />.063 <br />.070 <br />.076 <br />1.083 <br />25o <br />T=.08 <br />.16.24 .33 <br />.40 .40 .58 .67 <br />.75 <br />'.83 <br />.90 <br />.99 <br />1.06. <br />1.14 <br />.40 <br />E=.009 <br />.018 .027 .036 <br />.046 .056 .065 .074 <br />.083 <br />1.093 <br />.106 <br />.120 <br />.127 <br />.135 <br />TABLE L - Tangents and Externals to Curve:-- _ M <br />Chord =100 f t. <br />Angle <br />Corrections <br />Tangent <br />External <br />Int <br />Angle <br />Tangent <br />External <br />Int. <br />Angle <br />Tangent <br />External <br />22? <br />1113.7,107.24 <br />Angle Curve S° <br />29° <br />1481.8 <br />188.51 <br />360 <br />1861.7 <br />294.9 <br />,10/ <br />1122.4 <br />108.90 <br />101 <br />1490.7 <br />190.74 <br />10' <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 />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 />1898.6 <br />306.4 <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 />1.30 <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 />50 <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 />88 <br />.1972.9 <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 />1633.9 <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 />10 <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 />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 />.371.0 <br />20 <br />1340.4 <br />154.69 <br />20 <br />1715.3 <br />251.3 <br />20 <br />.2094.9 <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 />- <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 />2179.8 <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 />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 />181.89 <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 />1843.3 <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 />-425.0- <br />Corrections to be Added. (T =Tangent. E = External.) <br />Int. <br />Angle Curve S° <br />10° <br />15° <br />20° <br />25° <br />30° <br />35° <br />40° <br />-45° <br />50° <br />55° 60° 650. 700 <br />,200 T=.OB <br />13 <br />.19 <br />.26 <br />.32 <br />.39 <br />.45 <br />.51 <br />.58 <br />.85 <br />.72 .79 --.,90 <br />E=.006 <br />.011 <br />.017 <br />.022 <br />.028 <br />.034 <br />.038 <br />.045 <br />.051 <br />.057 <br />.84 <br />.063 .070 .076 .083 <br />25° T=.08 <br />.16 <br />.24 <br />.33 <br />'.036 <br />.40 <br />.49 <br />.58 <br />.67 <br />.75 <br />.83 <br />.90 .99 1.06 1.14 <br />E=.009 <br />018 <br />.027 <br />.046 <br />.056 <br />.065 <br />.074 <br />.083 <br />.093 <br />.106 .120 .127 .135 <br />30 T=.10 <br />E=.013 <br />.19 <br />" <br />.29 <br />.39 <br />.49 <br />.59 <br />.69 <br />.79 <br />.89 <br />.99. <br />1.09 1.20 1.29 1.39 <br />.025 <br />.038 <br />.051 <br />.065 <br />.078 <br />.090 <br />.103 <br />.116 <br />.129 <br />.149 .170 .179 .188 <br />350, T=.11 <br />E=.018 <br />.22 <br />.34 <br />.47 <br />".58 <br />.69 <br />.80 <br />.93 <br />1.05 <br />1.17 <br />1.29 1.42 1.54 '1.66 <br />..035 <br />.054 <br />.072 <br />.086 <br />.109 <br />.131 <br />.153 <br />.175 <br />.197 <br />.213 .230 .247 .264 <br />400 - T=13 <br />.26 <br />.40 <br />.53 <br />.67 <br />.80 <br />.03 <br />1.06 <br />1.20 <br />"1.34 <br />1.49 1.64 1.79 11.94 <br />E =.023 <br />.046 <br />.070 <br />.093 <br />.117 <br />.141 <br />.172 <br />.203 <br />.234 <br />.265 <br />.277 .290 .315 .341 <br />45° T=.15 <br />E <br />.30 <br />.44 <br />.60 <br />.76 <br />.91 <br />1.06 <br />1.21 <br />1.37 <br />1.52 <br />1.70 1.87 12.04 12.21 <br />=.030 <br />.060 <br />.093 <br />.119 <br />.153 <br />-.184 <br />.216 <br />.254 <br />.289 <br />.325 <br />.351 M81 1 .445 <br />