A good system of hand signals between members of a surveying party make a more efficient means of communication than is possible by word of mouth. Any code of signals mutually understood by the instrument-man and Rodman is good if it work. The instrument –man should be prompt in signaling the Rodman when he is finished with “Shot” so that the Rodman can move off promptly to the next point. It is also desirable to have a system of signals so that numbers can be transmitted from Rodman to instrument-man or vice versa.
The code of signals illustrated in Fig.
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