Bulletin - Bureau of Chemistry, Броеве 20–29U.S. Government Printing Office, 1889 |
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Страница 21
... prepared under the direction of a competent engineer and architect , and the machinery furnished by manufacturing firms whose experience and reputation are a guaranty of the excellence of their work . For a complete factory , capable of ...
... prepared under the direction of a competent engineer and architect , and the machinery furnished by manufacturing firms whose experience and reputation are a guaranty of the excellence of their work . For a complete factory , capable of ...
Страница 23
... prepared by air slaking and sifting through a fine sieve into a barrel covered by a cloth to protect the laborer ... preparing said stalks for the more perfect extraction of the juice by reducing the same to a finely - comminuted or dust ...
... prepared by air slaking and sifting through a fine sieve into a barrel covered by a cloth to protect the laborer ... preparing said stalks for the more perfect extraction of the juice by reducing the same to a finely - comminuted or dust ...
Страница 73
... prepare a statement whereby the expenses incurred in opera- tion could be shown and the real profit or loss upon this ... prepared seed bed a reg- ular two - horse corn planter , with or without a drill attachment , gives the best re ...
... prepare a statement whereby the expenses incurred in opera- tion could be shown and the real profit or loss upon this ... prepared seed bed a reg- ular two - horse corn planter , with or without a drill attachment , gives the best re ...
Страница 96
... prepared to do from a previous year's work with the inventor of the system , with whose plan of running the battery I was consequently familiar . Although the quality of the work was improved after the change I instituted , it was so ...
... prepared to do from a previous year's work with the inventor of the system , with whose plan of running the battery I was consequently familiar . Although the quality of the work was improved after the change I instituted , it was so ...
Страница 15
... prepared grape sugar in its physical characteristics or whether the restraining power of the latter over crystallization has been greatly overestimated , are questions that this work would naturally suggest , and it is probable that ...
... prepared grape sugar in its physical characteristics or whether the restraining power of the latter over crystallization has been greatly overestimated , are questions that this work would naturally suggest , and it is probable that ...
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Страница 77 - ... artificial, with experiments designed to test their comparative effects on crops of different kinds; the adaptation and value of grasses and forage plants; the composition and digestibility of the different kinds of food for domestic animals; the scientific and economic questions involved in the production of butter and cheese; and such other researches or experiments bearing directly on the agricultural industry of the United States as may in each case be deemed advisable, having due regard...
Страница 76 - AN ACT To establish agricultural experiment stations In connection with the colleges established In the several States under the provisions of an act approved July second, eighteen hundred and sixty-two, and of the acts supplementary thereto...
Страница 77 - That it shall be the object and duty of said experiment stations to conduct original researches or verify experiments on the physiology of plants and animals; the diseases to which they are severally subject, with...
Страница 220 - ... avoiding the useless saturation of the caustic potash solution. When the flow of carbonic acid has very nearly or completely ceased, pass the delivery tube down into the receiving arm, so that the bubbles will escape into the azotometer. Light the jets under the...
Страница 7 - Report on the culture of the sugar beet and the manufacture of sugar therefrom in France and the United States.
Страница 42 - This fat will not usually be clear; this however, will make no difference in the result, as the subsequent treatment will clarify it. As soon as the bottles have been sufficiently whirled, they should be filled to the neck with hot water. This is most conveniently done by placing a vessel containing boiling water above the machine, and by means of a syphon, made from a small rubber tube with a glass tip, run the water directly into the bottles without removing them from the wheel.
Страница 72 - Vilmorin is manufactured in connection with other varieties it is the custom to reserve this for the end of the season and to work up the less reliable beets at an earlier date. It is also said to resist better than any other variety the unfavorable influence of certain characters of soil and of certain manures. In black soils, rich in organic matter, it will give great industrial results, while most other varieties of beets become watery or saline in excess.
Страница 222 - If the mixture froth badly, a small piece of paraffin may be added to prevent it. The heat is then raised until the acid boils briskly. No further attention is required till the contents of the flask have become a clear liquid, which is colorless, or at least has only a very pale straw color.
Страница 42 - An even number of bottles should be whirled at the same time, and they should be placed in the wheel in pairs opposite to each other, so that the equilibrium of the apparatus will not be disturbed. When all of the test bottles are placed in the apparatus, the cover is placed upon the...
Страница 44 - ... reading can easily be taken to half divisions or to one-tenth per cent. If the column of fat is less than about one division, as will sometimes happen with skimmilk, buttermilk or whey it may assume a globular form instead of a uniform layer across the tube; when this occurs the fat can usually be estimated with sufficient accuracy by simple inspection, but if an accurate reading is desired it may be obtained by taking four samples of the milk in four test bottles, and after treating them in...