The Work in this Time was as the Driver of a Boiler

The Using of the Coil was complicated and dangerous,and not so good for the Health of the Drivers

But only

The High Pressure (15/20 Bars) of the Steam ,was the first used for the Traction of the Locomotive ,

The Diesel or Electricity will replace this coil little by little, and we can find again some countries with this solution.