. GREENWICH, Royal Observatory [1 London, Cupola of St. Paul's Cathedral Kew Observatory , Tilbury Fort, Flagstaff Gravesend, Cliuich Sheerness, Flagstaff Harwich, old Lighthouse Orfordness, Lighthouse Lowestoft, Haisbro' Upper Lighthouse Cromer, Lighthouse. Spurn High Lighthouse . Flamborough Lighthouse Hartlepool Heugh Sunderland, North Pier Lighthouse Souter Point, Lighthouse Tynemouth Lighthouse ... North Shields, Lighthouse Blyth, High Lighthouse ... Coquet Island Lighthouse Farn Island, Berwick, Lighthouse North Foreland, Lightho Deal, Time Ball South F
. GREENWICH, Royal Observatory [1 London, Cupola of St. Paul's Cathedral Kew Observatory , Tilbury Fort, Flagstaff Gravesend, Cliuich Sheerness, Flagstaff Harwich, old Lighthouse Orfordness, Lighthouse Lowestoft, Haisbro' Upper Lighthouse Cromer, Lighthouse. Spurn High Lighthouse . Flamborough Lighthouse Hartlepool Heugh Sunderland, North Pier Lighthouse Souter Point, Lighthouse Tynemouth Lighthouse ... North Shields, Lighthouse Blyth, High Lighthouse ... Coquet Island Lighthouse Farn Island, Berwick, Lighthouse North Foreland, Lightho Deal, Time Ball South Foreland, High Lighthouse Dover Castle, the Keep , Folkestone, Lighthouse . New Romney Church ..., Lydd Church Dungeness, Lighthouse Bexhill Church Beachy Head, Lighthouse Newhaven, Breakwater Lighthouse 51 28 38 51 30 49 51 28 6 51 27 7 51 26 39 51 26 47 51 56 38 52 5 0 52 29 12 52 49 12 52 55 27 53 34 41 54 6 58 54 41 47 54 55 5 54 58 15 1 5 0 31 7 33 55 20 2 55 36 55 55 45 53 51 22 28 51 13 20 55 55 55 8 23 46 41 0 Brighton Church . Shoreham Church Selsea Church Chichester Spire .. 51 51 7 51 4 50 59 50 57 5 50 54 47 50 50 45 50 44 15 60 46 35 50 49 32 50 50 0 50 45 19 50 50 0 0 Long 0 0 w. 0 5 48 0 18 46 Long. E. 0 22 42 0 22 10 0 44 50 1 17 25 34 34 45 28 32 20 19 6 7 11 Long. W. 0 4 51 1 10 27 1 1 1 1 0 21 30 21 30 24 52 26 10 1 29 50 1 1 1 32 17 39 15 58 57 Long. E. 1 26 48 1 24 20 1 22 22 1 19 23 1 11 33 0 56 40 0 54 29 0 58 18 0 28 48 0 1 16 30 1 16 20 15 50 17 10 18 0 16 50 0 12 58 0 3 30 Long. W. 0 7 40 0 16 19 0 45 55 0 46 43 16 0 16 15 The Astronomers Royal. The Grand Trigonometri- cal or Ordnance Survey, one of the great works of which our country ought to feel proud, was commenced in 1783, with a view to ascertain the difference of longitude between the Observatories of Paris and Greenwich, under General Roy. The principal triangulation was gradually extended under the successive directions of Colonel Williams, General Mudge, Gen. Colby, Colonel Hall, and Colonel
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