AND, just think: we ALL do it!!!!!! D. -----Original Message----- From: Barbara and/or Bill Hooper <[EMAIL PROTECTED]> To: U.S. Metric Association <[EMAIL PROTECTED]> Date: May 3, 2002 15:55 Subject: [USMA:19881] RE: Metric Standards and the USMA
>I made a mistake and Duncan caought and corrected it. I feel compelled to >"grovel" and explain the error in detail below. You do not have to feel >compelled to read it. If you prefer not to, just stop now. > >Bill > >================================ > >I wrote, incorrectly, that: >>> Since 1 fl.oz. = 29.574 mL >>> one ounce is (1/29.574) of a millilitre. > >That of course is incorrect. Instead, the fact >that 1 fl. oz. = 29.574 mL means that >1 mL is (1/29.574) of an ounce. > >Because a fluid ounce equals 29.574 mL, the mass of a fluid ounce of mercury >is equal to the mass of 29.574 mL of mercury. Thus my next statement (below) >is also wrong. > >>> Thus the mass of one fl.oz. of Hg >>> is 13.6 g / 29.574 which equals 0.460 g > >It should be: >"Thus the mass of one fl.oz. of Hg is 29.574 mL TIMES 13.6 g, which equals >402.2 g", as Duncan correctly calculated. > >My whole discussion was a bit silly to start with. To have to explain a >stupid error in something that was not important to start with is >mortifying! > >My apologies. >Bill Hooper > >
