A. G. H. Thatcher
J. W. Rockey
Herbert E. Ives
Charles N. Pickworth
Roberts Beaumont
Alfred Powell Morgan
E. C. Gardner
Simon Lake
La Verne W. Spring
John Morison Copeland
K. J. Adcock
Frederick Law Olmsted
James Silver
E. S. Keene
Charles B. Hayward
S. B. Reed
Ralph P. Dillon et al.
Joseph Turney Wood
Henry A. Gardner
William J. Claxton
B. C. Batcheller
American Railway Signal Association
Joseph Nasmith
Farnham Bishop
