NS Patent: NS-13
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Mathematical mechanical scale to solve problems in trigonometry
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Patentee:
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Alexander Chisholm (exact or similar names) - Antigonish, Sidney County, NS Canada |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Jul. 12, 1851 |
Report data errors or omissions to steward
Jeff Joslin
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Description: |
Nova Scotia (NS) patents were issued between 1834 and 1867, when they joined with Ontario, Quebec and New Brunswick to form the Dominion of Canada. |
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