[USMA:35263] Re: dutys

[Pat Naughtin]

Title: Re: [USMA:35262] Re: dutys

Thanks for that reference. I had noted that the value was the same as a foot pound after I wrote the note below, but I still couldn't understand how foot-pounds became dutys -- I am clear now. Thanks again.

Cheers,

Pat Naughtin

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on 2005-11-20 23.48, Anon Anon at [EMAIL PROTECTED] wrote:

It comes from 'economical duty'. It is the same as a foot pound.
  http://en.wikipedia.org/wiki/James_Joule
  
  
  Pat wrote:
  

I  am intrigued by a unit called 'dutys' that crops up on energy  conversion charts. It appears to be equivalent to 1.355 817 947 9  joule, and yes, this is the sort of precision listed.
  
  Does anyone help me with anything about the use of this unit or of its origin?
  

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