Tests of Run-of-Mine and Briquetted Coal in a Locomotive Boiler (Classic Reprint) Walter T. Ray

Excerpt from Tests of Run-of-Mine and Briquetted Coal in a Locomotive Boiler

In its investigation of more efficient methods for utilizing the coals and lignites in the United States, to the end that waste may be avoided, the value of low-grade Это и многое другое вы найдете в книге Tests of Run-of-Mine and Briquetted Coal in a Locomotive Boiler (Classic Reprint) (Walter T. Ray)