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May 11, 2021 EricRoscoe Aug 25, 2020 lisa97 Mar 23, 2020 Wisconsin Historical Society	p.1 Memoranda Nov. 21. 1870 It would be well to apply an "alarm" to the clocks of the several observers to secure promptness etc. To read the barometers to half hundredths, using three decimals, the last of which would be 0 or 5. To record in separate columns Observed height of Barometers Height of attached Thermometer Barometer reduced to 32 [degrees] Fah. Barometer corrected for temperature and sea level. requiring one more column in form No. 4. In reduction to sea level the Buffalo observer now adds .55 inch more than at first; the Cincinnati [observer] put his decimal point one figure too far to the left and added .063 instead of .63. Duluth sent the observed height without any correction. There are indications of other irregularities	p.1 Memoranda Nov. 21. 1870 It would be well to apply an "alarm" to the clocks of the several observers to secure promptness etc. To read the barometers to half hundreths, using three decimals, the last of which would be 0 or 5. To record in separate columns Observed height of Barometers Height of attached Thermometer Barometer reduced to 32 [degrees] Fah. Barometer corrected for temperature and sea level. requiring one more column in form No. 4. In reduction to sea level the Buffalo observer now adds .55 inch more than at first; the Cincinnati [observer] put his decimal point one figure too far to the left and added .063 instead of .63. Duluth sent the observed height without any correction. There are indications of other irregularities

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