Upon his return to France, he formed a tin-mining company, but appears to have lost out on his financial interest when this was merged with the Société des Mines de'Etain de Pérak in 1886 to form the Société des Etains de Kinta, better known as SEK, which became the longest-running mine in Malaysia.Khoo Salma Nasution and Abdur-Razzaq Lubis, Kinta Valley: Pioneering Malaysia’s Modern Development, Ipoh: Perak Academy, 2005, p. 89-90.
