Rail workers melting iron for welding tram rails

2024-09-03T16:48:34-04:00

Entitled "Molten Iron without a Furnace," photographic reproduction depicts rail workers melting a mixture of metallic aluminum and iron oxide, known as thermit. When heated, a chemical action results in metallic iron and aluminum oxide, with the molten iron used for welding tram rails. Onlookers include men and children.