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Mechanical engineering has by the force of circumstances been divided up into branches relating to engineering tools, railway machinery, marine engines, and so on; either branch of which constitutes a profession within itself. Most thorough study will be required to master general principles, and then a further effort to acquire proficiency in some special branch, without which there is but little chance of success at the present day.
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TWO:"1. Who surrender to the enemy, either German troops or fortified bulwarks, trenches or fortified places, or defences, as also parts or belongings of the German army. THREE:PREFACE
TWO:"Yes, he had. That man is far cleverer than you. You are a child to him in cunning with all your boasted brains. If you kill me tonight you commit a cold-blooded murder. But you are not going to do anything of the kind." THREE:But, Sandy clung obstinately to his theories, why did Jeff pick this haunted place and cut the ignitionand why was the door up in the first place?
TWO:Facing them was a wide opening, sufficiently spacious to permit airplanes to be rolled through: in grooved slots at either side the door, made of joined metal slats working like the old-fashioned roll-top desk, could be raised or lowered by a motor and cable led over a drum.But Jove all-bounteous! who, in clouds THREE:Considered as means for transmitting power, the contrast as to advantages and disadvantages lies especially between belts and gearing instead of between belts and shafts. It is true in extreme cases, such as that cited at Crewe, or in conveying water-power from inaccessible places, through long distances, the comparison lies between belts and shafts; but in ordinary practice, especially for first movers, the problem as to mechanism for conveying power lies between belts and gear wheels. If experience in the use of belts was thorough, as it is in the case of gearing, and if the quality of belts did not form so important a part in the estimates, there would be but little difficulty in determining where belts should be employed and where gearing would be preferable. Belts are continually taking the place of gearing even in cases where, until quite recently, their use has been considered impracticable; one of the largest rolling mills in Pittsburg, Pennsylvania, except a single pair of spur wheels as the last movers at each train of rolls, is driven by belts throughout.
TWO: THREE:There was a faint moaning cry in the doorway, a tiny white figure stood there. Mamie had been awakened by the ringing of the bell, she had missed Hetty, and had come down in her childish way to see what was the matter.
Top IX.In practice this difference of effect on the top and bottom, or between the anvil and hammer sides of a piece, is much greater than would be supposed. The yielding of the soft metal on the top cushions the blow and protects the under side from the force. The effect produced by a blow struck upon hot iron cannot be estimated by the force of the blow; it requires, to use a technical term, a certain amount of force to "start" the iron, and anything less than this force has but little effect in moving the particles and changing the form of a piece.The subject of apprentice engagements seems in the abstract to be only a commercial one, partaking of the nature of ordinary contracts, and, no doubt, can be so construed so far as being an exchange of "considerations," but no farther. Its intricacy is established by the fact that all countries where skilled labour exists have attempted legislation to regulate apprenticeship, and to define the terms and conditions between master and apprentice; but, aside from preventing the abuse of powers delegated to masters, and in some cases forcing a nominal fulfilment of conditions defined in contracts, such legislation, like that intended to control commerce and trade, or the opinions of men, has failed to attain the objects for which it was intended.At that hour the Namur Canal ("Naamsche Vest") was already dark in consequence of the thick foliage of tall trees, and suddenly the wild horsemen were shot at. Several neutral witnesses established the fact that this was done by a small troop of German infantry who came from the station, probably on their way to the battle-field, and thought that Belgian cavalry came racing into the town."Lytton Avenue houses are large and they have gardens."She did not reply for a moment. Her courage was coming back to her, as it always did when the stress of danger was great. Hard-pushed and beaten down as she was, she did not wish to die. She had been crushed flat to earth before, and yet she had recovered.
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