<placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0000384 https://www.geonames.org/630671">Mer Caspienne</placeName> <ref xmlns="http://www.tei-c.org/ns/1.0" xml:id="b90ca024-2ba4-4994-8ca0-242ba4a9948d" corresp="#f2ffc279-cc7b-4afc-bfc2-79cc7beafc28" type="editorialNote">1<hi rendition="#sup"><choice> <abbr>h</abbr> <expan>heure</expan> </choice> </hi>.... 11<supplied cert="high">°</supplied>,8 <supplied cert="high">Réaumur</supplied><supplied cert="high">,</supplied> air 14,6 <supplied cert="high">Réaumur</supplied></ref><note xmlns="http://www.tei-c.org/ns/1.0" xml:id="f2ffc279-cc7b-4afc-bfc2-79cc7beafc28" corresp="#b90ca024-2ba4-4994-8ca0-242ba4a9948d" type="editorial">Die Messung erfolgte am Nachmittag des <date calendar="#gregorian" when="1829-10-15">15. Oktober 1829</date> um 1 Uhr (vgl. <bibl corresp="https://edition-humboldt.de/DV9UD9GW">Humboldt 1844</bibl>, <ref target="https://www.e-rara.ch/6873125">II, 422</ref>, Nr. 35; dort Umrechnung der Messwerte in Centigrade).</note>