...First I checked out the Wikipedia page to find out what metrology was: https://en.wikipedia.org/wiki/Metrology
In which I learned the first known standardized measure was the royal Egyptian cubit - the length of the Pharaoh's arm plus width of his hand. Standardizing managed to get the pyramids bang on....
Measuring by the body isn't unusual. There's the Smoot. From Michael's paper:
"The Smoot is the unit of length of 5 feet 7 inches equivalent to the height in 1958 of then student Oliver R. Smoot...
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