<persName xmlns="http://www.tei-c.org/ns/1.0" key="fahrenheit_daniel_gabriel"> <ref type="editorialNote" target="#en37832a">Fahrenheitius</ref> </persName>, <anchor xmlns="http://www.tei-c.org/ns/1.0" type="textRefStart" xml:id="tr35002" /><persName xmlns="http://www.tei-c.org/ns/1.0" key="boerhaave_hermann"> <ref type="editorialNote" target="#en37832b">Boerhaavio</ref> </persName> referente, singulare liquorum igne ebullientium ingenium primus animadvertit, quod nempe hic caloris gradus pondere atmosphaerae graviore sit intensior, et minore aëris pressione in puncto ebullitionis minorem habeat caloris gradum. Idem <persName xmlns="http://www.tei-c.org/ns/1.0" key="monnier_s_le_monnier"> <ref type="editorialNote" target="#en37835">Monnierus</ref> </persName> ex relatione <abbr xmlns="http://www.tei-c.org/ns/1.0">Acad. Paris.</abbr> cum Thermometro <persName xmlns="http://www.tei-c.org/ns/1.0" key="reaumur_rene_antoine_ferchault_de">Reaumuriano</persName> primo Burdegalae, deinde in vertice montis <ref xmlns="http://www.tei-c.org/ns/1.0" type="critApp" xml:id="app37837">Pic du Midi</ref>, ubi Barometrum 8 <abbr xmlns="http://www.tei-c.org/ns/1.0">poll.</abbr> depressius, quam priori loco fuit, calorem ebullientis aquae et ejus supra congelationis punctum <w xmlns="http://www.tei-c.org/ns/1.0" lemma="altitudinem">altitu<pb ed="oldAA" n="379" xml:id="B01S0379" />dinem</w> explorans reperit. Glaciei equidem eundem utrobique gradum deprehendit, ebullitionis vero calorem <hi xmlns="http://www.tei-c.org/ns/1.0" rend="sup">15</hi>⁄<hi xmlns="http://www.tei-c.org/ns/1.0" rend="sub">180</hi> intervalli, quo ebullitio congelationem antecellit, ab eo, quem Burdegalae Barometro, 28 pollices alto, notavit, deficere, adeoque calorem ebullitionis hujus loci montanam parte sui ⅟<hi xmlns="http://www.tei-c.org/ns/1.0" rend="sub">12</hi> antecellere, quem excessum excessus tertiae partis circiter ponderis atmosphaerici produxit; ex quo liquet, atmosphaerae totius pondus semotum aquae ebullienti ¼ caloris illius, qui congelationis et ebullitionis gradus intercedit, detrahere. Cum igitur aquae absque aëris pressione ebullienti minor, hujus pondere addito vero major conciliari caloris gradus possit, neque pondus atmosphaerae aliud quicquam agat, nisi quod undulatorio particularum ignearum motui contrapondium exhibeat, cum attractio ipsorum aquae elementorum <ref xmlns="http://www.tei-c.org/ns/1.0" type="critApp" xml:id="app37911">ipsi</ref> cohibendo non amplius sufficiat, inde coniici poterit, quanam elasticitatis vi aether, in puncto ebullitionis semet a nexu aquae expedire nitens, polleat et qua particularum attractione (<abbr xmlns="http://www.tei-c.org/ns/1.0">s.</abbr> hac deficiente, vi externa premente) illum compesci necesse sit. Quippe quoniam secundum <abbr xmlns="http://www.tei-c.org/ns/1.0">laud.</abbr> Amontonsium calores congelationis et ebullitionis vix parte hujus tertia differant et quarta pars caloris, congelationem atque ebullitionem intercedentis, vim requirat ponderi totius atmosphaerae aequalem, sequitur, 12 atmosphaerarum pondere ad aequilibrium calori toti in ebulliendo praestandum opus esse, adeoque attractionem ipsam elementorum aquae 11 pressionibus aëriis aequipollere. Ex quo attractionem earundem in puncto congelationis, multo magis vero ingentem metallorum attractionem ad comprimendum aetherem elasticum perspicere <ref xmlns="http://www.tei-c.org/ns/1.0" type="critApp" xml:id="app37922">licet</ref>.