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???
03/23/07 12:47
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 		 #135630 - this is easy
Responding to: ???'s previous message
Using chemical cells. Some of them produce remarkably stable voltage.

http://en.wikipedia.org/wiki/Voltage_reference
http://en.wikipedia.org/wiki/Weston_cell


JW


List of 32 messages in thread
TopicAuthorDate
weekend query            01/01/70 00:00      
   this is easy            01/01/70 00:00      
      how did they know how many volts they were            01/01/70 00:00      
         re:volt ref.            01/01/70 00:00      
   Statistically            01/01/70 00:00      
      A guess            01/01/70 00:00      
         Almost.            01/01/70 00:00      
            Shotguns are still specified in guages.            01/01/70 00:00      
               Wire and sheet metal too?            01/01/70 00:00      
      SI            01/01/70 00:00      
         Iterated.            01/01/70 00:00      
         I thought the meter was.            01/01/70 00:00      
            Old hat.            01/01/70 00:00      
         k-m-s            01/01/70 00:00      
            Revolutionary            01/01/70 00:00      
               ALL measurement units were human scaled then...            01/01/70 00:00      
                  Pace            01/01/70 00:00      
                     military standards            01/01/70 00:00      
   Anothery weekend query            01/01/70 00:00      
      No one really knows, but ...            01/01/70 00:00      
         100 F            01/01/70 00:00      
            100F wouldn't kill you            01/01/70 00:00      
               120F in Phoenix            01/01/70 00:00      
                  I remember Houston, Tx            01/01/70 00:00      
                     At UT Dallas ...            01/01/70 00:00      
      what I have heard/seen            01/01/70 00:00      
      Fahrenheit            01/01/70 00:00      
      100 ? That would be way too metric !            01/01/70 00:00      
         98.6 is normal body temp.            01/01/70 00:00      
            Ah, then it was 0° and 98° ...            01/01/70 00:00      
               Body Temperature            01/01/70 00:00      
   How did they deside how heavy the first ounce was            01/01/70 00:00      

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