"Now, now, easy," cautioned Mr. Benjamin. "The consequences may be disastrous for your father," he said quietly. "I am doing this for his own good. He will not hear of showing the models, but if you can get them for us it will save much trouble and annoyance for--well, for all of us. If you don't, your father may lose all he possesses and be without a position. I know what inventors are. They can only see one thing at a time. It is a simple thing that we ask of you. Will you do it? Now, you needn't answer at once. Take a little time to think it over. Go in that room there and wait. We'll give you half an hour. If by that time you don't decide to help us we'll----"