Signal Code 



For convenience in the transmission of signals on gradient 

 work we insert opposite a systom devised by R. S. Beard of 

 the C. B. & Q. R. R., as publiched in the Eng. News, April 21, 

 1913. 



KEY 



A. Rod Up or Give Line Wave a small horizontal circle high 

 over head with hand or rod. 



B. Move to Right or Left Move hand at shoulder height in 

 direction required; slightly for a small move, arm length for a 

 big move. 



C. Plumb Rod to Right or Left Extend arm vertically and swing 

 slowly in direction required. 



D. Set a Hub or Give a Turning Point Hold any visible object 

 horizontally overhead with both hands. 



E. Set on This With point of rod on tack, swing top of rod in 

 small circle. 



K. All Right or Go Ahead A half-circle swing of one or both 

 arms overhead. 



(}. Come to Point Signaled From A full-circle swing with 

 either arm. 



H. Go Back Face to the right of man signaled to, wa\e both 

 arms up and down, raising one while dropping the other. 



1. Can't Get You Describe an "L" or inverted "T" by a 

 vertical motion, followed by a horizontal motion of the arm. 



J. Move Target Up or Down Move hand up or down in direc- 

 tion required. Motion of hand means move 0.01; half-arm, 

 0.1; full arm, 1.0 ft. 



No IK When calling numbers use any prearranged word for 

 eleven. 



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