Personal Narrative Of Travels To The Equinoctial Regions Of America During The Years 1799-1804 - Volume 1 - By Alexander Von Humboldt And Aime Bonpland.
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During The Founding Of The Metric System,
Less Than 20 Years Before The Date Of This Work, The 'toise' Was
Assigned A Value Of 1.949 Meters, Or A Little Over Two Yards.
The
'foot'; actually the 'French foot', or 'pied', is defined as
1/6 of a 'toise', and is a little over an English foot.)
CENTIGRADE THERMOMETER REDUCED TO FAHRENHEIT'S SCALE.