Practical Points, Questions and Answers John S. Farnum

Excerpt from Practical Points, Questions and Answers: A Hand Book for Stationary, Locomotive and Marine Engineers, Firemen, Electricians, Motormen and Machinists

Practical Knowledge is the principal requirement in an engineer and mechanic, and the Это и многое другое вы найдете в книге Practical Points, Questions and Answers (John S. Farnum)