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In response to my comment below, FFU (Fred Flintstone
Units), which are all units that are not SI whether they be imperial, USC or old
Indian all had varying definitions. Even today, there is more then one
version of the gallon, quart and pint, as wells as ounces, feet and miles.
Just to name a few. When and if these units are used one is unsure of the
meaning intended unless one qualifies the unit somehow, but very few
do.
I'm sure the publication you quoted from referred to
British inches in use before 1960, which are not the same as those that existed
after 1960. To the masses who don't really care about the differences
between dissimilar units of the same name the meaning may be clear. But to
those of us who know that there are in fact variations find it impossible to
know what is meant when an FFU is used.
By using only metric this problem NEVER
arises.
Euric
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- [USMA:31361] Re: Guz Euric
- [USMA:31363] Re: Credibility J. Ward
