Reports of the Commissioners of the United States to the International Exhibition1876 |
Contenido
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Términos y frases comunes
administration American apparatus armature arrangement Austrian automatic average battery Belgium Berlin berry bran bread cells cent chemical chronometer circuit clocks color companies construction containing coprolites cost cylinder deaf diameter dispatches employed employés England Europe exhibited Fahrenheit fermentation fertilizers flour France French furnished galvanometer Germany give gluten grain grits guano high milling horology Hungarian Hungary idiots improvement inches instrument insulators interior invention latter less lever low milling magnets manufacture ment messages method miles Morse nitrogen objects obtained offices operator organs paper Paris passing pendulum Pereire phosphates phosphoric acid photographs placed poles post-office potash pounds present printing pupils railway received relay rheostat Russia Salle d'Asyle sent Siemens specimens starch Stassfurt station stone sulphate superphosphates surface Switzerland teachers teaching telegraph temperature tion transmission transmitted United Vienna watches wheat wire
Pasajes populares
Página 62 - It will be safe to infer, however, from the above results, that there is no river in the United Kingdom long enough to effect the destruction of sewage by oxidation.
Página 61 - In fact, whether we examine the organic' pollution of a river at different points of its flow, or the rate of disappearance of the organic matter of sewage when the latter is. mixed with fresh water and violently agitated in contact with air, or finally, the rate at which dissolved oxygen disappears in water polluted with five per cent...
Página 61 - ... per cent of sewage, we are led, in each case, to the inevitable conclusion that the oxidation of the organic matter in sewage proceeds with extreme slowness, even when the sewage is mixed with a large volume of unpolluted water, and that it is impossible to say how far such water must flow before the sewage matter becomes thoroughly oxidised.
Página 62 - ... discharged from another's bowels ; that, in short, the diffusion of cholera among us depends entirely upon the numberless filthy facilities which are let exist, and especially in our larger towns, for the fouling of earth and air and water, and thus secondarily for the infection of man, with whatever contagium may be contained in the miscellaneous outflowings of the population.
Página 43 - ... the trade in superphosphates, guano and similar commercial fertilizers began. The same stupendous frauds by adulteration and dilution of good things were practiced there as they have been and, we have great reason to fear, still are carried on here. But the experiment station has perfectly cured and rooted out these evils in all the districts where it has been established and appreciated. The experiment station there is prepared to furnish the farmers at small cost with an analysis of any fertilizer...
Página 15 - The paper being drawn or written upon with lithographic ink, is, when finished, put for a few minutes between damp blotting-paper; a warmed stone is put in the press, the sheet...
Página 118 - ... thought can be brought together to produce a harmonious result in the development of a human being is the problem in the educational world of to-day. We may fill the mind with useful ideas and beautiful thoughts, but " the hand alone can give precision and durability to the simplest ideas after all. When the mind is active and the hand inapt ideas run to waste, therefore,
Página 23 - The Physiological Infant-School will result from the union of the kind training .of the Salle d'Asyle and the joyous exercises of the Kindergarten, with the application of physiology to education. None will question the opportuneness of this intellectual movement ; but one may hesitate to predict where it will succeed best. Germany had the start, but failed to comprehend the entirety of the idea, either in general education, when Pestalozzi and Froebel mangled the " Emile," or in special education,...
Página 7 - ... often mistaken for natural sleep. Psychologically viewed, the decoration of the cradle is of equal moment. To surround an infant with highly wrought or colored figures often grotesque, or at least untrue to nature, may, by day, attract more attention than his faculties of perception can safely bestow, hence fatigue of the brain or worse...
Página 115 - Eating, cutting, brushing, and the menial services which the hand performs as a domestic of the body, must be intrusted to the left, even drawing, writing, and a few automatic games and exercises, like spading, sawing, at the same time that the lacing, buckling, buttoning of the garments must be altered to be worked by that hand. By the second and more general device, it would be well to have the schoolarrangements, as the doors and windows, altered and disposed to be moved by left-handling, so that...