XEE4134652: Construction of the Panama Canal - drilling of the Panama Isthmus, 1885: Osgood excavator in the large trench of the Culebra. (From a photograph). Engraving in “” La Nature: revue des sciences et de leurs applications aux arts et a l'industrie”” of 6 June 1885., Unknown Artist, (19th century) / Bridgeman Images
XEE4143737: The art of lapidary: inventors of Brazil's diamond mines at the beginning of the 18th century. Gold seekers are playing with crystals as chips without knowing that they are real diamonds. Engraving from 1885 in “” Les arts et metiers illustres”” by Adolphe BITARD., Unknown Artist, (19th century) / Bridgeman Images