Walter Frederick Randall
1930 Patent. Improvements in the manufacture of magnetic alloys. Willoughby Statham Smith, Henry Joseph Garnett, Walter Frederick Randall, October 22, 1930: GB336948-A
1930 Patent. Improvements in the manufacture of signalling conductors. Willoughby Statham Smith, Walter Frederick Randall, Frank Leslie Smith, November 21, 1930: GB338565-A
1932 Patent. Improvements in and relating to the refinement of magnetic metals and alloys. Willoughby Statham Smith, Henry Joseph Garnett, Walter Frederick Randall, March 7, 1932: GB368780-A
1933 Patent. Improved magnetic alloys. Willoughby Statham Smith, Henry Joseph Garnett, Walter Frederick Randall, Telegraph Construction And Mai, Deutsch Atlantische Telegraphe, January 23, 1933: GB386682-A
1933 Patent. Improvements in the heat treatment of magnetic material in coil form. Willoughby Statham Smith, Henry Joseph Garnett, Walter Frederick Randall. October 18, 1933: GB400238-A
1934 Patent. Insulated electrical conductors. Telegraph Constr & Maintenance, Walter Frederick Randall, September 17, 1934: GB416725-A
1935 Patent. Improvements in the manufacture of magnetic alloys. Telegraph Constr & Maintenance, Walter Frederick Randall, Frank Harold Smith, June 21, 1935: GB430987-A