<cell xmlns="http://www.tei-c.org/ns/1.0"><choice> <abbr>Th.</abbr> <expan>Thermometer</expan> </choice></cell> <cell xmlns="http://www.tei-c.org/ns/1.0"><measure quantity="67" unit="fahrenheit">6<subst> <del rendition="#ow"><unclear reason="covered" cert="low">3</unclear></del> <add place="across">7</add> </subst>° <choice><abbr>F.</abbr><expan>Fahrenheit</expan></choice></measure></cell> <cell xmlns="http://www.tei-c.org/ns/1.0" />