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Médias Collections   Groupes Deux-Rivières, Ontario  
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  • Clara Township Map ca.1885
    Clara Township Map ca.1885
    imagetextcollection  November 19, 1885     Certificate:The subdivision of the township of Clara as subdivided into lots and concessions by J.W. Fitzgerald P.L.S., and shown on plan of survey, dated the 19th Nov 1885, [with the exception of concessions A,B, and C] is hereby annulled. Signed: F.A. MacDougall Deputy Minister.Certificate:Surveys performed henceforth within the former subdivision ...
    imagetextcollection  November 19, 1885   Certificate:The subdivision of the township of Clara as subdivided into lots and concessions by J.W. Fitzgerald P.L.S., and shown on plan of survey, dated the 19th Nov 1885, [with the ...
    Head, Clara and Maria Public Library
  • Map of Clara Township
    Map of Clara Township
    imagetextcollection  Unknown     Early surveyors, like William E. Logan, used Rochon micrometer telescopes and targets (disk on a calibrated pole) to measure distance. Each microscope had a different calibration and therefore a different range. The instruments were calibrated against a distance measured with a surveyors chain (also known as Gunter's chain). One chain ...
    imagetextcollection  Unknown   Early surveyors, like William E. Logan, used Rochon micrometer telescopes and targets (disk on a calibrated pole) to measure distance. Each microscope had a different calibration and therefore a different ...
    Head, Clara and Maria Public Library
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