American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 454
and the time the messenger returns. When a call is received the clerk on duty takesout a slip from the proper drawer, and after marking thetime upon it hands it to a messenger. This slip is signedby the subscriber, and it serves as a receipt for the servicel^erformed. It will be noticed that the… … LOCiaVOOD GRAVITY CELL. FAULTS, ETC., ON DISTRICT CIRCUITS. Apart from troubles due to accidental line failure, which are many, in the dis-trict service, and which some of the companies have attempted to diminish by the useof insulated wire; and the troubles arising from the tempting nearness of…
Telegraph
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