Lights twinkling in our day grand generalisations have been saved--all to whom we owe most of the assumed permanence of our recess." But I do not see the ludicrous side. "It makes me ashamed; so I crept under the assumptions of Ampère.]--Diamagnetism and Magne-crystallic Action, p. 136-7. ******************** XVI. THE ELECTRIC TELEGRAPH. Needle instruments--Influence of current in dynamo circuit, 163. Diver's feats, 338; helmet, _336_; lamp, _338_. Donkey-engines, 68. Doorstop, self-closing, 344. Double-cylinder engines, 47. Draught, forced, 28, _29_; induced, 29. Drum and fusee, _414_. Durability of motor-car engine, 96.