Extension of the Triangulation of the Ordinance Survey into France and Belgium with the measurement of an arc of parallel in latitude 52?? N. from Valentia in Ireland to Mount Kemmel in Belgium: Published by order of Sir Gge. C. Lewis by Henry James. (Mit 7 Taff.)H.M. Stationery Office, 1863 - 62 pages |
Expressions et termes fréquents
45 وو وو 99 وو وو Arbury arc of parallel b₁ Baurtregaum Belgian Belgium Boulogne Britain c₂ Cassel centre Chingford Coldham Colonel Lévret connecting the triangulation connexion Date deux difference of longitude Dunkirk equations erected Fairlight Feaghmain France French heliostat Geodetic Gravelines Greenwich Harlettes Hawes heliostat Hond Hondschoote Inglevert lambert Lords Commissioners Majesty's Treasury meridian Ministre Mont Montlam Montlambert Mount Kemmel NOON O'II observatory observed latitude officers opération Paddles Paddlesworth party Peter's Church Principal Triangulation R. O. for Stars Randon Reciprocal of Weight reduced Angles referring object Royal Engineers scaffold SCALE TEN FEET schoote Seconds of reduced semiaxis Sept Spherical Angles spheroid St.Inglevert theodolite tower trigonometrical station U₁ U₂ Valentia vide Plate Wrotham XVII XVIII XXII XXIII δα ΙΟΙ دو دو 99 دو دو وو وو 9 وو دو وو وو 99 وو وو وو བ བ མ མ མ