Le 29 <choice xmlns="http://www.tei-c.org/ns/1.0"> <abbr>Sept.</abbr> <expan>Septembre</expan> </choice> <choice xmlns="http://www.tei-c.org/ns/1.0"> <abbr>dep.</abbr> <expan>depuis</expan> </choice> 9 ½ – 11 ½<hi xmlns="http://www.tei-c.org/ns/1.0" rendition="#sup"> <choice> <abbr>h</abbr> <expan>heures</expan> </choice> </hi> au Soleil<supplied xmlns="http://www.tei-c.org/ns/1.0" cert="high">,</supplied> l’eau étant à la fin <measure xmlns="http://www.tei-c.org/ns/1.0" quantity="25.7" unit="reaumur">25°,7 <choice> <abbr>R.</abbr> <expan>Réaumur</expan> </choice> </measure> perdit 2,4 <choice xmlns="http://www.tei-c.org/ns/1.0"> <abbr>millim</abbr> <expan>millimètres</expan> </choice>. <lb xmlns="http://www.tei-c.org/ns/1.0" />à l’ombre<supplied xmlns="http://www.tei-c.org/ns/1.0" cert="high">,</supplied> l’eau était à <measure xmlns="http://www.tei-c.org/ns/1.0" quantity="19.2" unit="reaumur">19°,2 <choice> <abbr>R.</abbr> <expan>Réaumur</expan> </choice></measure><supplied xmlns="http://www.tei-c.org/ns/1.0" cert="high">,</supplied> perdu 1,6 <choice xmlns="http://www.tei-c.org/ns/1.0"> <abbr>millim</abbr> <expan>millimètre</expan> </choice>. L’air au Soleil <measure xmlns="http://www.tei-c.org/ns/1.0" quantity="26" unit="reaumur">26<supplied cert="high">°,</supplied></measure> <supplied xmlns="http://www.tei-c.org/ns/1.0" cert="high">à</supplied> l’ombre <lb xmlns="http://www.tei-c.org/ns/1.0" /><measure xmlns="http://www.tei-c.org/ns/1.0" quantity="22" unit="reaumur">22<supplied cert="high">°,</supplied></measure> donc le reflet de l’eau augmente sa chaleur. <lb xmlns="http://www.tei-c.org/ns/1.0" type="preserve" />depuis 11 ½<hi xmlns="http://www.tei-c.org/ns/1.0" rendition="#sup"> <choice> <abbr>h</abbr> <expan>heures</expan> </choice> </hi>– 5 ½<hi xmlns="http://www.tei-c.org/ns/1.0" rendition="#sup"> <choice> <abbr>h</abbr> <expan>heures</expan> </choice> </hi> du soir au <choice xmlns="http://www.tei-c.org/ns/1.0"> <orig>☉</orig> <reg>soleil</reg> </choice> qui ne donna que jusqu’à 3<hi xmlns="http://www.tei-c.org/ns/1.0" rendition="#sup"> <choice> <abbr>h</abbr> <expan>heures</expan> </choice></hi><supplied xmlns="http://www.tei-c.org/ns/1.0" cert="high">,</supplied> perdu 0,005 mètre<supplied xmlns="http://www.tei-c.org/ns/1.0" cert="high">,</supplied> à <lb xmlns="http://www.tei-c.org/ns/1.0" />l’ombre 0,003.