page_title: Alexander Ross Clarke
hierarchical_section_title: Alexander Ross Clarke
caption_attribution_description: English: Photo of Alexander Ross Clarke in 1861.
context_page_description: Col Alexander Ross Clarke FRS FRSE was a British geodesist, primarily remembered for his calculation of the Principal Triangulation of Britain, the calculation of the Figure of the Earth and one of the most important text books of Geodesy. He was an officer of the Royal Engineers employed on the Ordnance Survey.
context_section_description: Col Alexander Ross Clarke FRS FRSE (1828–1914) was a British geodesist, primarily remembered for his calculation of the Principal Triangulation of Britain (1858), the calculation of the Figure of the Earth (1858, 1860, 1866, 1880) and one of the most important text books of Geodesy (1880). He was an officer of the Royal Engineers employed on the Ordnance Survey.
caption: Alexander Ross Clarke in 1861
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