ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɛvənti θɹˈiː, θˌɜːmoʊdaɪnˈæmɪsˌɪst wˈɪlɑːɹd ɡˈɪbz pˈʌblɪʃt "ɡɹˈæfɪkəl mˈɛθədz ɪnðə θˌɜːmoʊdaɪnˈæmɪks ʌv flˈuːɪdz.
In 1873, thermodynamicist Willard Gibbs published "Graphical Methods in the Thermodynamics of Fluids.