The Compagnie des mines de Béthune, sometimes called the sometimes called the Compagnie de Grenay after the name of the concession, was a French coal mining company in the Pas-de-Calais that was estab
Mine head at Bully-les-Mines c. 1900
Charles Ignace Plichon, President from 1873 to 1883
Château Mercier, residence of the director-general of the company. The building was damaged by shellfire during World War I, restored after the war.
Mine 12 at Annequin c. 1909
Chloropicrin
Videos
Chloropicrin, also known as PS and nitrochloroform, is a chemical compound currently used as a broad-spectrum antimicrobial, fungicide, herbicide, insecticide, and nematicide. It was used as a poison
Gas identification art for chloropicrin
