OT: Si sustava 2019

[Jan Waclawek]

Aha, dakujem.

wek

----- Original Message ---------------

Subject: Re: OT: Si sustava 2019
   From: "=?ISO-8859-1?Q?Mari=E1n_Hubinsk=FD?="<marian.hubinsky at elso.sk>
   Date: Mon, 20 May 2019 10:48:18 +0200
     To: hw-list at list.hw.cz

>Imperialna sustava nema etalony, palec je difinovany ako 2.54 mm
>
>https://www.nist.gov/pml/weights-and-measures/si-units-length
>
>FAQ: When did the metric redefinition of the inch occur?
>In 1958, a conference of English-speaking nations agreed to unify their 
>standards of length and mass, and define them in terms of metric measures. 
>The American yard was shortened and the imperial yard was lengthened as a 
>result. The new conversion factors were announced in 1959 in Federal 
>Register Notice 59-5442 (June 30, 1959), which states the definition of a 
>standard inch: The value for the inch, derived from the value of the Yard 
>effective July 1, 1959, is exactly equivalent to 25.4 mm.
>
>-- 
>Marián Hubinský
>e-mail: marian.hubinsky at elso.sk
>mobile: +421 905 652001
>Elso Philips Service, spol. s r.o.; Jilemnického 2/53; 911 01 Trenčín; 
>Tel: +421 32 6582410, 7431690; Fax: +421 32 6582592; http://www.elso.sk 
>---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 
>
>Kvalitný obojsmerný zdroj 15kW: http://www.elso.sk/DeltaElektronika/SM15k 
>// USB osciloskop do 1000V https://www.elso.sk/PicoScope/4444 
>
> 
>>To s tymi palcami a galonmi nerozumiem - akoze pomer voci metrom a litrom
>>ostava zachovany?
>>
>>wek