pour la <choice xmlns="http://www.tei-c.org/ns/1.0"> <abbr>long.</abbr> <expan>longitude</expan> </choice> Ramsden <choice xmlns="http://www.tei-c.org/ns/1.0"> <abbr>☉</abbr> <expan>soleil</expan> </choice> renversé, <choice xmlns="http://www.tei-c.org/ns/1.0"> <abbr>sup.</abbr> <expan>supérieur</expan> </choice> <lb xmlns="http://www.tei-c.org/ns/1.0" />mobile