Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volume 18American Philosophical Society, 1880 |
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Página 7
... described a piece of chemical apparatus which he invented for the purpose of applying the use of sliding glass wedges , colored and transparent , and empirically graduated , to the optical extinction of the colors , simple or compound ...
... described a piece of chemical apparatus which he invented for the purpose of applying the use of sliding glass wedges , colored and transparent , and empirically graduated , to the optical extinction of the colors , simple or compound ...
Página 8
... described by Profs . Fontaine and White of the West Virginia University , at Morgantown , in the country west of the Monongahela River , and took occa- sion to speak of the progress made by Prof. James Hall , Dr. T. Sterry Hunt and ...
... described by Profs . Fontaine and White of the West Virginia University , at Morgantown , in the country west of the Monongahela River , and took occa- sion to speak of the progress made by Prof. James Hall , Dr. T. Sterry Hunt and ...
Página 27
... described , and in it here and there a single sapling or shrub or two standing alone , proving that from leaves or other vegetable matter deposited by the winds , soil had begun to be formed , and vegetation to grow . From what I have ...
... described , and in it here and there a single sapling or shrub or two standing alone , proving that from leaves or other vegetable matter deposited by the winds , soil had begun to be formed , and vegetation to grow . From what I have ...
Página 29
... . XVI . , January , 1877 ) , I described a colorimetric estimation of titanium . Mention is made in that paper of the interference with accurate results by the pre- sence of metals producing green glases in the reducing flame 29.
... . XVI . , January , 1877 ) , I described a colorimetric estimation of titanium . Mention is made in that paper of the interference with accurate results by the pre- sence of metals producing green glases in the reducing flame 29.
Página 32
... described . If after melting and cooling the color should be still too deep ( in excep- tional cases which will hereafter be described ) , a second dilution is effected in the same way . Of a substance containing 1.5 p . c . Mn . , 0 ...
... described . If after melting and cooling the color should be still too deep ( in excep- tional cases which will hereafter be described ) , a second dilution is effected in the same way . Of a substance containing 1.5 p . c . Mn . , 0 ...
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8 | |
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28 | |
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Outras edições - Ver tudo
Proceedings of the American Philosophical Society Held at ..., Volumes 28-29 American Philosophical Society Visualização integral - 1890 |
Proceedings of the American Philosophical Society Held at ..., Volume 1 American Philosophical Society Visualização integral - 1838 |
Proceedings of the American Philosophical Society Held at ..., Volumes 7-8 American Philosophical Society Visualização integral - 1861 |
Palavras e frases frequentes
Academy acid Amazonas AMER American Philosophical Society angles appears base beds bench canine Carboniferous character cingulum coal coinage coins color column Cope Cordaites creek crown deposit Devonian diameter Died March Elected April Elected January elevation Elytra Ereré exhibited external feet fossils Fraley Frazer genus Geological gray sand Gray slate Henry inch incisor inferior John Labradorite length letter light limestone margin mass medal median metamorphic meteor miles molar motion mountains Natural observed obverse orbit Pennsylvania Philadelphia PHILOS portion posterior postglenoid postparietal premolar present PROC Prof Pygidium Pyroxene received region ridge river rocks sandstone schists sectorial shale side Silurian Slate and shells solar species specimens superior molar surface thorax tibiæ Timucua tion tooth transverse troops truth tubercle U. S. Naval Observatory valley velocity WATERLOO XVIII
Passagens conhecidas
Página 123 - For the law having a shadow of good things to come, and not the very image of the things, can never with those sacrifices, which they offered year by year continually, make the comers thereunto perfect.
Página 145 - It is inconceivable that inanimate brute matter should without the mediation of something else, which is not material, operate upon and affect other matter without mutual contact, as it must be if gravitation, in the sense of Epicurus, be essential and inherent in it.
Página 444 - The eye of man hath not heard, the ear of man hath not seen; man's hand is not able to taste, his tongue to conceive, nor his heart to report, what my dream was.
Página 319 - And God made the beast of the earth after his kind, and cattle after their kind, and every thing that creepeth upon the earth after his kind: and God saw that it was good.
Página 190 - The sun is in the zenith. Legend — Let us look to the Most High, who blessed our fathers with peace.
Página 145 - This most beautiful system of the sun, planets, and comets, could only proceed from the counsel and dominion of an intelligent and powerful Being.
Página 112 - Walton quarry and rock-cut of the Northern Central Railroad, on the west bank of the Susquehanna river opposite Harrisburg ; where a consecutive series of the beds, all conformable, and all dipping regularly about 30° to the southward, afforded a good opportunity for collecting two sets of specimens for analysis, one at the bottom and the other at the top of the cut.
Página 316 - Behold, the man has become like one of Us, to know good and evil. And now, lest he put out his hand and take also of the tree of life, and eat, and live forever...
Página 144 - He that planted the ear, shall he not hear? he that formed the eye, shall he not see?
Página 169 - Palteozoic deposits of the Amazonas, those of the Carboniferous occupy the most extensive area and, at the same time, present the greatest difficulties to study. Composed for the most part of soft beds, they suffered extensive denudation, during the interval between the close of the Carboniferous and the beginning of the Tertiary, during which time they were, for the most part, exposed above the level of the sea ; by the deposit of the...