To remove air from a flask, fill it with water, tip the water out, and put the cork in quick before the air can get back in. The process of turning steam back into water again is called conversation. For fainting: rub the person's chest, or if a lady, rub her arm above the hand instead. For fractures: to see if the limb is broken, wiggle it gently back and forth. For dog bite: put the dog away for several days. If he has not recovered, then kill it. For nosebleed: put the nose much lower than the body. For drowning: climb on top of the person and move up and down to make artificial perspiration. To remove dust from the eye, pull the eye down over the nose. For head colds: use an agonizer to spray the nose until it drops in your throat. The pistol of a flower is its only protection against insects. To collect fumes of sulfur, hold a deacon over a flame in a test tube. Parallel lines never meet, unless you bend one or both of them. Algebraical symbols are used when you do not know what you are talking about. A triangle which has an angle of 135 degrees is called an obscene triangle.