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Updated: June 15, 2025
Oil enters the chamber at one end of the bearing at the top and passes through the oil grooves, lubricating the journal, and then out into the reservoir under the bearing. The oil also fills the clearance between the tubes and forms a cushion, which dampens any tendency to vibration. The bearings, being supported by the blocks or "pads" H, are self-alining.
He thought that too frequent circulation of a comparatively small quantity of oil would, to some extent, impair its lubricating qualities, and requested his assistants to verify this opinion by consultation with competent authorities. On making inquiry of the engineers of the Standard Oil Company, his theory was fully sustained.
The wheels of class B design are the same in principle of construction as those of class A, but they have cast metal bosses or naves, without loose bushes, and are suitable for general work and ordinary roads where the strains are not so severe. The bosses or naves are readily removed in case of breakage, and they can be fitted with steel oil caps for lubricating. Iron.
Some natural gas companies have bought up the culm banks and heaps of refuse coal, so that if the natural gas becomes exhausted they can manufacture cheap gas at the mines and pipe it to the cities they now serve. Petroleum, or rock oil, is a dark greenish brown liquid which when refined yields gasolene, naphtha, benzine, kerosene, lubricating oils, and paraffin.
But if burned indoors it made a horrible smoke and a smell to conjure with. Up to that time whale-oil mostly had been used for illuminating and lubricating purposes. But whale-oil was getting too high for plain people. It looked as if there were a "whale trust." Some one sent a bottle of this "natural" oil down to Professor Silliman of Yale to have it analyzed.
While we looked he descended, and lubricating the animal with the saliva from his mouth, and placing himself before it, took the snout in his jaws and began to suck it in. We had not time to wait, as our friend told us it would take a couple of hours before he got the morsel into his stomach. This process is performed by wonderful muscular action and power of distension.
The function of lubricating substances is to prevent the rubbing surfaces from coming into contact, whereby abrasion would be produced, and unguents are effectual in this respect in the proportion of their viscidity; but if the viscidity of the unguent be greater than what suffices to keep the surfaces asunder, an additional resistance will be occasioned; and the nature of the unguent selected should always have reference, therefore, to the size of the rubbing surfaces, or to the pressure per square inch upon them.
F.M. Backus, a highly respected citizen of Cleveland and an old and personal friend of mine, had for several years prior to his death in 1874 been engaged in the lubricating oil business which was carried on after his death as a corporation known as the Backus Oil Company. In the latter part of 1878, our company purchased certain portions of the property of this company.
And now it begins to suck in its prey; not lubricating it, as is generally stated, although a large quantity of saliva surrounds the animal while it is descending the monster's throat. After a time the meal is finished, and the serpent its body greatly distended remains at rest, unwilling to move, when it may be easily captured by the daring hunter. The body of the boa is of a rich brown colour.
He mopped his brimming eyes with a handful of cotton waste, not innocent of lubricating fluid. "Tower av Ivory! 'twas grand to see the contimpt av thim when the cowards widin did not reply. 'Donder! says the gaffer in the tay-thray hat and the beard like the grandfather av all the billygoats. 'Is this, he says, 'the British pluck they talk about?
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