Twentieth century manual of railway and commercial telegraphy (1905)
Meyer, Frederic Louis, b. 1875 · Chicago, New York, Rand, McNally & Company · leaf 75
PART lY. Beginning Railway Telegraphy, LESSON I.General Instructions. In case of doubt adopt tlie safe course. To enter or remain in the service is an assuranceof willingness to obey the rules. The train order manifold must be made up andat all times in readiness to take orders, so thedispatcher…
Telegraph
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