<cell xmlns="http://www.tei-c.org/ns/1.0">air <measure quantity="23" unit="reaumur">23° <choice> <abbr>R</abbr> <expan>Réaumur</expan> </choice></measure> <lb /><gap reason="illegible" unit="words" quantity="2" /> </cell> <cell xmlns="http://www.tei-c.org/ns/1.0">source <measure quantity="4" unit="reaumur">4° <supplied cert="high">Réaumur</supplied></measure> (10<hi rendition="#sup"><choice> <abbr>h</abbr> <expan>heures</expan> </choice></hi> ½ <choice> <abbr>m</abbr> <expan>matin</expan> </choice>)</cell>