LSE4330083 The screening of the gunpowder, to sort by sieves the granules according to their size and quality before the last drying that gives them their perfume, in a gunpowder factory in Fati Bay (Canton Province), engraving after a drawing by J. Ferat illustrating the journey to China by J. Thompson in 1870-1872, published in ??????Le tour du monde??????1875, edited by Edouard Charton, edition Hachette, Paris. Selva Collection. by Ferat, Jules (b.1819) (after); Private Collection; (add.info.: The screening of the gunpowder, to sort by sieves the granules according to their size and quality before the last drying that gives them their perfume, in a gunpowder factory in Fati Bay (Canton Province), engraving after a drawing by J. Ferat illustrating the journey to China by J. Thompson in 1870-1872, published in ??????Le tour du monde??????1875, edited by Edouard Charton, edition Hachette, Paris. Selva Collection.); Photo by Leonard de Selva.