Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Ma'aurata 'yan taurari na Faransa da ake kira Pierre Bouguer da Charles Marie de La Condamine su ne na farko da suka yi ƙoƙari su gwada gwaji, suna yin ma'auni a kan dutsen mai suna Chimborazo mai tsawon mita 6,268 (20,564 ft) a Ecuador a 1738. Tawagarsu ta bar Faransa zuwa Kudancin Amurka a 1735 don ƙoƙarin auna tsawon arc meridian na digiri ɗaya na latitude kusa da equator, amma sun yi amfani da damar don gwada gwajin karkatarwa. A watan Disamba na 1738, a cikin mawuyacin yanayi na ƙasa da yanayi, sun gudanar da ma'auni guda biyu a tsawan mita 4,680 da 4,340. Bouguer ya rubuta a cikin takarda na 1749 cewa sun sami damar gano karkatar da sakan 8 na baka, amma ya rage mahimmancin sakamakon su, yana mai nuna cewa gwajin zai fi kyau a gudanar da shi a cikin yanayi mai sauƙi a Faransa ko Ingila. Ya kara da cewa gwajin ya nuna aƙalla cewa Duniya ba za ta iya zama harsashi ba, kamar yadda wasu masu tunani na ranar, ciki har da Edmond Halley, suka ba da shawara.  Tambaya: A wane tsawo suka gudanar da ma'aunin?
4,680 da 4,340 m