American Journal of Dental Science

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William Gird Beecroft., 1878
 

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Página 301 - Yet by some such fortuitous liquefaction was mankind taught to procure a body at once in a high degree solid and transparent, which might admit the light of the sun, and exclude the violence of the wind ; which might extend the sight of the philosopher to new ranges of existence, and charm him at one time with the unbounded extent of the material creation, and at another with the endless subordination of animal life ; and, what is yet of more importance, might supply the decays of nature, and succour...
Página xi - The use of one material instead of another in constructing a known machine is, in most cases, so obviously a matter of mere mechanical judgment, and not of invention, that it cannot be called an invention, unless some new and useful result, as increase of efficiency, or a decided saving in the operation, be obtained.
Página 439 - ... two of whom shall be elected for one year, two for two years and two for three years from the date of the annual school meeting next succeeding such special meeting.
Página 5 - The decree of the circuit court is affirmed. Mr. Justice BRADLEY dissenting. I dissent from the judgment of the court in this case on the ground that the...
Página 301 - Who, when he saw the first sand or ashes, by a casual intenseness of heat, melted into a metalline form, rugged with excrescences, and clouded with impurities, would have imagined, that in this shapeless lump lay concealed so many conveniences of life, as would in time constitute a great part of the happiness of the world...
Página 51 - A man, by taking that gas, could have a tooth extracted, or a limb amputated, and not feel the pain...
Página 301 - ... of nature, and succour old age with subsidiary sight. Thus was the first artificer in glass employed, though without his own knowledge or expectation. He was facilitating and prolonging the enjoyment of light, enlarging the avenues of science, and conferring the highest and most lasting pleasures ; he was enabling the student to contemplate nature, and the. beauty to behold herself.
Página 2 - ... cast sets of teeth for the lower jaw only, the weight of the metal making the plate unfit for the upper. In consequence of the shrinkage of the metal in cooling, a tight joint could not be obtained between the teeth and the base. The sets were, therefore, liable to become offensive in consequence of deposits of food and the secretions of the mouth in the crevices. The shrinkage also prevented a close fitting of the plate to the roof of the mouth, and the tin base was affected by the chemical...
Página 31 - The injection turns the pile white, probably coagulates the blood in its vessels, and results in its shrinking away without the inflammation being severe enough at any one time, as a general thing, to prevent the patient from attending to his business.
Página ix - ... of manufacture, consisting of a plate of hard rubber with teeth, or teeth and gums, secured thereto in the manner described in the specification, by embedding the teeth and pins, in a vulcanizable compound, so that it shall surround them while it is in a soft state, before it is vulcanized, and so that when it has been vulcanized the teeth are firmly and inseparably secured in the vulcanite, and a tight joint is effected between them, the whole constituting but one piece.

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