And by the way, (maybe already mentioned?), the inch used to vary in length until it was defined as a function of the metre. So the Americans are working in metric, but converted by 2.54 ...
On Sun, 24 Feb 2019 at 13:17, Peter Blodow <p.blo...@dreki.de> wrote: > P.S: People who are used to sixteenths of the width of a medieval thumb, > the weight of rocks used in throwing competitions and the volume of > barrels way too heavy for carrying as measures should not argue > earnestly in public about metric decimal units... > No offence! Peter Blodow > > Am 24.02.2019 um 11:29 schrieb Peter Blodow: > > Andy, > > the use of those length units depends on the circle who uses them. > > Woodworkers use cm, metalworkers mm, opticians micrometers, nuclear > > scientists nanometers. The aim is to leave off unused zeroes, either > > in front or after the decimal point. Hectoliters are the most > > important measure of beer hereabouts because it is convenient to > > simply count barrels instead pouring beer in bulky liquid measures, > > and Austrian houewives buy their sausage and meat in Deka's. > > > > By the way, the Gramm is very well named after a dead scientist: Saxo > > Grammaticus, living in the middle ages around 1100, famous Danish > > historian, who wrote a history of Denmark in 16 volumes. He even > > attempted to write an English grammar - English and Danish were not so > > far apart in those days -, but failed because it would have become too > > heavy for the reason of the many exceptions to its rules (at the time, > > there were such). Therefore, the unit of weight was named after him. > > > > My best regards! > > Peter Blodow > > Dipl.-Phys. > > > > Am 24.02.2019 um 10:31 schrieb andy pugh: > >> > >> The hecto, centi, deci, deka are deprecated in SI, so cm should not be > >> used. > >> > >> I am a bit annoyed that the base mass unit is the kg, ie that it has an > >> embedded prefix. That is one unit that could very usefully be named > >> after a > >> dead scientist. > >> > >> > > > > > > > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
