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Media Types: Collections- Media Types: Audio
- Media Types: Videos
- Year: 1869
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- Maria Township ca.1869
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 … 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 - Gazetteer & Directory for 1869-1870 Town of Brantford
Directory listing for the Town of Brantford 1969-1870, includes a map, brief description and alphabetical listing of the residents and businesses from the County of Brant Gazeteer and Directory 1869-1870 by James Sutherland. Directory listing for the Town of Brantford 1969-1870, includes a map, brief description and alphabetical listing of the residents and businesses from the County of Brant Gazeteer and Directory 1869-1870 …
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