The American Journal of Science and ArtsS. Converse, 1865 |
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Common terms and phrases
according acid action amount appears atmosphere become beds bodies boiling carbonate cause chlorid color complete condition considerable considered containing continued density described determined developed direction distance earth effect electric equal ether evidence existence experiments fact feet force formation geological give given greater heat inches increase iron Journal known length less light lime liquid lower magnetic mass matter mean Michigan miles mineral molecules motion nature nearly nebula object observations obtained occur original passing period planets plate polarization portion position present probably produced Prof proportion quantity referred regard region relations remains remarkable rings river rocks rotation saline salts seen separated side similar soda solution species springs stars strata sulphuric supposed surface temperature theory tion whole
Popular passages
Page 256 - That gravity should be innate, inherent, and essential to matter, so that one body may act upon another at a distance through a vacuum, without the mediation of anything else, by and through which their action and force may be conveyed from one to. another, is to me so great an absurdity that I believe no man, who has iu philosophical matters a competent faculty of thinking, can ever fall into it.
Page 232 - ... hydro-carbons. The water, which is purposely introduced at the bottom of the arrangement, is first vaporized by the heat, and then decomposed by the ignited fuel, and re-arranged as hydrogen and carbonic oxide ; and only the ashes of the coal are removed as solid matter from the chamber at the bottom of the fire-bars. " These mixed gases form the gaseous fuel. The nitrogen, which entered with the air at the grate, is mingled with them, constituting about a third of the whole volume. The gas rises...
Page 220 - Edited, with an Introduction and Brief Biographical Notices of the Chief Promoters of the New Views, by EDWARD L. YOUMANS, MD 12mo.
Page 207 - ... earth is traversing in its orbit about the sun, there are as many as 13,000 small bodies, each body such as would furnish a shooting star, visible under favorable circumstances to the naked eye.
Page 232 - ... down it is a solid plate, and for the rest of the distance consists of strong horizontal plate bars where air enters, the whole being at an inclination such as that which the side of a heap of coals would naturally take. Coals are poured, through openings above, upon this combination of wall and grate, and being fired at the under surface they burn at the place where the air enters; but as the layer of coal is from...
Page 338 - ... first indication of choking of the worm is a partial or entire stoppage of the stream of liquid which normally flows steadily from the end of the worm into the retort. Any interruption or unsteadiness of this flow would indicate too rapid ebullition. As a rule, other things being equal, the greater the difference between the temperature of the bath and that of the retort, the slower the products will come off, and the more effectual will be the separation. I think it possible, however, that the...
Page 103 - There is no more reason to think that species have been specially endowed with various degrees of sterility to prevent them crossing and blending in nature, than to think that trees have been specially endowed with various and somewhat analogous degrees of difficulty in being grafted together in order to prevent them becoming inarched in our forests.
Page 24 - Volcanoes, insisted on the important part which water plays in an eruption, when intimately mixed up with the component materials of lava, aiding, as he supposed, in giving mobility to the more solid materials of the fluid mass. But when advocating this igneo-aqueous theory, he never dreamt of impugning the Huttonian doctrine as to the intensity of heat which the production of the unstratified rocks, those of the plutonic class especially implies.
Page 232 - ... about halfway down it is a solid plate, and for the rest of the distance consists of strong horizontal plate bars where air enters; the whole being at an inclination such as that which the side of a heap of coals would naturally take. Coals are poured, through openings above, upon this combination of wall and grate, and being fired at the...
Page 78 - Subsequent observations on other nebulae* induced him " to regard this faint spectrum as due to the solid or liquid matter of the nucleus, and as quite distinct from the bright lines into which nearly the whole of the light...
Bibliographic information
| Title | The American Journal of Science and Arts Museum of Comparative Zoology--Biodiversity Heritage Library digitization project |
| Publisher | S. Converse, 1865 |
| Original from | Harvard University |
| Digitized | 4 Mar 2008 |
| Export Citation | BiBTeX EndNote RefMan |