ltwilliammowett: Mariner’s Compass, by Reverend Jonathan Fisher, from his Mathematics notebook
ltwilliammowett: Mariner’s Compass, by Reverend Jonathan Fisher, from his Mathematics notebook, 1791 Fisher was not a seafarer, but he was an extremely educated and multi-talented man from Maine who was interested in everything, especially languages and mathematics. And since navigation also includes mathematics, he included it in his notebook. -- source link
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