The electric wave passed from a piece of metal on top of the car across the air to the telegraph wires; and then proceeded to the despatcher's office. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Night after night the signal was sent without a mistake, and the despatcher began to regain some of the confidence he had lost in the young operator. 鲁伯特·萨金特·荷兰.历史性发明.
At last the train despatcher ordered Edison to signal him the letter A in the Morse alphabet every half hour. 鲁伯特·萨金特·荷兰.历史性发明.
Then one night the despatcher chanced to be at the next station to Edison’s, and it occurred to him to call the latter up and have a chat with him. 鲁伯特·萨金特·荷兰.历史性发明.
He was one of the quickest despatchers in the business, and we soon found it was hopeless for us to try to keep up with him. 鲁伯特·萨金特·荷兰.历史性发明.