"Now connect the cord of the lens machine with the upper socket on the cylinder—there! Join the tube machine to the lower left-hand socket, and the disc apparatus to the outer socket. Now move all the dial switches on the machine over to the extreme right—first the lens one, then the disc one, and then the tube one. That’s right. I might as well tell you that this is a human being—just like any of us. I’ll give you a taste of some of the others tomorrow."