It will be only a cheap electro-motor if it comes to anything." "You must explain that to me some day, Mr.Conolly.

I'm afraid I dont know what an electro-motor means." "I ought not to have mentioned it," said Conolly.

"It is so constantly in my mind that I am easily led to talk about it.

I try to prevent myself, but the very effort makes me think of it more than ever." "But I like to hear you talk about it," said Marian.

"I always try to make people talk shop to me, and of course they always repay me by trying to keep on indifferent topics, of which I know as much--or as little--as they." "Well, then," said Conolly, "an electro-motor is only an engine for driving machinery, just like a steam engine, except that it is worked by electricity instead of steam.