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Re:Before 1948, LA's Power Grid Ran at 50hz by lb1lf on Sunday July 09, 2017 @02:29AM (#14728640)
>> a foot is the length of my forearm

>Or the length of one's foot, even.

-If you're using size 14 (US; male), 15,5 (US; female), 48 (Europe), 12,5 (Mexico)...

The good thing about standards is that there's so many to choose from.

Re:Before 1948, LA's Power Grid Ran at 50hz by jerrysievert on Sunday July 09, 2017 @04:28AM (#14728880)
or, if you're in the US, size 14, 15.5, 48, or 12.5.

thus underscoring your point: we can't even agree on how to represent numbers, let alone measurements!

Re:Before 1948, LA's Power Grid Ran at 50hz by carussell on Sunday July 09, 2017 @09:48AM (#14729718)
The variation argument equally applies to forearm length.