If we had been told to load a herd of cattle on a steamer, our method would have been to hire a Hagenbeck to train the cattle for a couple of years, so that they would know enough to walk aboard of the ship when he gave the signal; but to-day, if we had to ship cattle, we would know enough to make a greased chute and slide them on board in a jiffy." The telephone world has now its own standards and ideals.

It has a language of its own, a telephonese that is quite unintelligible to outsiders.

It has as many separate branches of study as medicine or law.
There are few men, half a dozen at most, who can now be said to have a general knowledge of telephony.

And no matter how wise a telephone expert may be, he can never reach perfection, because of the amazing variety of things that touch or concern his profession.
"No one man knows all the details now," said Theodore Vail.

"Several days ago I was walking through a telephone exchange and I saw something new.