FRANCE, Troisième République. 1870-1940. Medal 1924 (Bronze, 57 mm, 89.11 g, 12 h), on the Inventions of Denis Papin. By R. Lamourdedieu. Denis Papin seated in front of a stove, meditating as he looks at his cooking pot, the lid of which rises under the pressure of the steam. Rev. LA VAPEUR / A.P.P.A.V. / 1874-1924 Scenery with a steam locomotive, steam ships and various other industrial inventions. In original case of issue. Extremely fine.