(Q28646609)

English

Lloyd J. Hibbard

Westinghouse engineer, introduced the ignitron into railway traction

Statements

0 references
0 references
0 references
0 references
5 December 1892Gregorian
0 references
April 1966
0 references
 
edit
    edit
      edit
        edit
          edit
            edit
              edit
                edit
                  edit