Bilder Videos

Trigonometrische Vermessung Bilder ❘ Science Photo Library

Early Ordnance Survey stations,1799
11602155 - Early Ordnance Survey stations,1799
Early Ordnance Survey work,1799
11602149 - Early Ordnance Survey work,1799
Early Ordnance Survey work,1799
11602150 - Early Ordnance Survey work,1799
Early Ordnance Survey baseline,1784
11602156 - Early Ordnance Survey baseline,1784
Great Ramsden Theodolite,18th century
11602231 - Great Ramsden Theodolite,18th century
Greenwich and Paris Meridians,1799
11602158 - Greenwich and Paris Meridians,1799
Early Ordnance Survey baseline,1787
11602157 - Early Ordnance Survey baseline,1787
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