Franklin akacherechedza nheyo yefriji nekucherechedza kuti pazuva rinopisa kwazvo, akaramba achitonhorera muhembe yakanyorova mumhepo pane kuti akaoma. Kuti anzwisise chiitiko ichi zvakajeka Franklin akaedza. Muna 1758 pazuva rinopisa muCambridge, England, Franklin nemumwe musayendisiti John Hadley vakaedza nekuramba vachinyorovesa bhora re mercury thermometer neether uye vachishandisa mabhero kuti vaputize ether. Nekunyorova kwese kwakatevera, thermometer yakaratidza tembiricha yakaderera, pakupedzisira ichisvika 7 ° F (-14 ° C). Imwe thermometer yakaratidza kuti tembiricha yemukamuri yaigara iri pa 65 ° F (18 ° C). Mutsamba yake yeEvaporation naFranklin, akacherechedza kuti, "Mumwe anogona kuona mukana wekutonhora murume kusvika afa pazuva rinopisa rezhizha". Mubvunzo: Gore ripi rakayedza musayendisiti John Hadley nebhora re mercury thermometer?
Makore 1758