H. Ratcliff

Discussion on ¿Failures of turbo-generators and suggestions for improvements.¿ North-western centre, at Manchester, 13, january, 1920

H. W. Clothier, J. A. Kuyser, G. A. Juhlin, 1920 .

Discussion on "Protective apparatus for turbo-generators"

J. S. Highfield, Shamus P. Smith, K. Edgcumbe, 1922 .