Le <ref xmlns="http://www.tei-c.org/ns/1.0" xml:id="f2eb354c-f3c3-4f2d-ab35-4cf3c34f2d3c" corresp="#a0f4461d-a9b9-4f1c-b446-1da9b9ef1c0f" type="editorialNote">Snuffbox-Sextant de <persName ref="https://edition-humboldt.de/H0004064 http://viaf.org/viaf/222145424570286831489">Throughton</persName></ref><note xmlns="http://www.tei-c.org/ns/1.0" xml:id="a0f4461d-a9b9-4f1c-b446-1da9b9ef1c0f" corresp="#f2eb354c-f3c3-4f2d-ab35-4cf3c34f2d3c" type="editorial" resp="#CG">Vgl. in der Instrumentenliste des Reiseberichts (<hi rendition="#i">Relation historique</hi>): <quote>Un <hi rendition="#i">sextant à tabatière, snuffbox-sextant, de <persName ref="https://edition-humboldt.de/H0004064 http://viaf.org/viaf/222145424570286831489">Troughton</persName></hi> </quote> (<bibl corresp="https://edition-humboldt.de/DR2NAW3J">Humboldt 1814–1825</bibl>, I , 58). Vgl. auch <bibl corresp="https://edition-humboldt.de/UQGSA7CH">Brand 2015</bibl>, 115, Bild 10</note> comparé soigneusement <lb xmlns="http://www.tei-c.org/ns/1.0" /><subst xmlns="http://www.tei-c.org/ns/1.0"> <del rendition="#s">au</del> <add place="intralinear">à</add> </subst> <ref xmlns="http://www.tei-c.org/ns/1.0" xml:id="a5939496-5229-4dfe-9394-9652297dfe2f" corresp="#ba5e1861-e7cc-445c-9e18-61e7cc245c2e" type="editorialNote">celui de <persName ref="https://edition-humboldt.de/H0000728 http://d-nb.info/gnd/117686573">Ramsden</persName></ref><note xmlns="http://www.tei-c.org/ns/1.0" xml:id="ba5e1861-e7cc-445c-9e18-61e7cc245c2e" corresp="#a5939496-5229-4dfe-9394-9652297dfe2f" type="editorial" resp="#CG">Vgl. die <ref target="https://edition-humboldt.de/H0016412/nbbx_vqs_33b">Anm. zu Bl. 23r</ref>.</note> et vérifié par le disque du So<lb xmlns="http://www.tei-c.org/ns/1.0" break="no" />leil donne les angles de 3′ 30″ trops grands. Son horizont <lb xmlns="http://www.tei-c.org/ns/1.0" />artifiel n’a<supplied xmlns="http://www.tei-c.org/ns/1.0" cert="high">,</supplied> aux bords<supplied xmlns="http://www.tei-c.org/ns/1.0" cert="high">,</supplied> même pas 30″ d’erreur.