the circular curves back towards the points opposite the tangent points of the centre line (A, B, C, D on Diagram 1 ) till tangents can be ... To findEA and ZIAE and FC and Z.FCL, LO given = 1590-91 OI = LO + H = 1590-91 + 4-4G = 1595-; S7 .

Title | : | The Surveyor |

Author | : | |

Publisher | : | - 1896 |

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