更多telegraphy例句

1. The newspaper column as we kno it is an artifact of telegraphy.
2. Then again, there was the question of wireless telegraphy, which had already come into force on board of these passenger ships.
3. (a) What installations for receiving and transmitting messages by wireless telegraphy were on board the Titanic?
4. It was he who invented the great system of wireless telegraphy which is now used in nearly all big ships.
5. It is all telegraphy, but it all required an agreed and very limited code, and comparative nearness.
6. With a wire, a battery and Vail's alphabet, telegraphy is entirely possible without any other appliances.