British Encyclopedia: Or, Dictionary of Arts and Sciences, Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge, Volume 11Mitchell, Ames, and White, 1821 - Natural history |
From inside the book
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... centres , by the same laws as those primary ones do round their centre the Sun ; viz . in such manner , that , in the satellites of the same planet , the squares of the periodic times are propor- tional to the cubes of their distances ...
... centres , by the same laws as those primary ones do round their centre the Sun ; viz . in such manner , that , in the satellites of the same planet , the squares of the periodic times are propor- tional to the cubes of their distances ...
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... centre . Dr. Halley , in the Philosophical Transactions , gives a correction of the theory of the motions of the fourth or Huygenian satel- lite . Its true period he makes 11d 22h 41 ' 6 " . The periodical revolutions , and dis- tances ...
... centre . Dr. Halley , in the Philosophical Transactions , gives a correction of the theory of the motions of the fourth or Huygenian satel- lite . Its true period he makes 11d 22h 41 ' 6 " . The periodical revolutions , and dis- tances ...
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... centre , as we now perceive it . This con- jecture is in some measure corroborated by the consideration , that both the planet and its ring perform their rotations about the same common axis , and in very nearly the same time . But from ...
... centre , as we now perceive it . This con- jecture is in some measure corroborated by the consideration , that both the planet and its ring perform their rotations about the same common axis , and in very nearly the same time . But from ...
Page 7
... centre and that di- vision of the line of numbers , which ex- presses the number answering to the na- tural sine or tangent of any arch , be set off on its respective line from its centre towards the left hand , it will give the point ...
... centre and that di- vision of the line of numbers , which ex- presses the number answering to the na- tural sine or tangent of any arch , be set off on its respective line from its centre towards the left hand , it will give the point ...
Page 9
... centre and sine of 45 degrees equals the fourth rhumb , be set off upon the line sine of the rhumb , we shall have the point answering to the sine of the fourth rhumb ; and after the same man- ner may both these lines be constructed ...
... centre and sine of 45 degrees equals the fourth rhumb , be set off upon the line sine of the rhumb , we shall have the point answering to the sine of the fourth rhumb ; and after the same man- ner may both these lines be constructed ...
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Common terms and phrases
abaft aft side aft-side animal appear birds bivalve body plan bone botany called calyx cavity centre circle class and order colour columella common consists corolla crystals curve deck diameter distance divided draw drawn drupe earth edge equal Essential character feet 6 inches fore side genus half breadth plan heat height hence hinge inches Jussieu keel kind Lamarck latter length Linnæus lower means ment middle line Monogynia class motion multivalve native Natural order nearly neral observed opening pain parallel perpendicular person piece plants Plate pounds produced quantity racter round salt seeds sensation sheer plan shell ship silica silk silver sometimes sophism species specific gravity square stars stone substance sulphuric acid surd surface teeth thick timber tion transom Triandria ture univalve upper side urethra valves vessel wound
Popular passages
Page 1 - I scarce could turn to fall upon the ground, with my head to the northward, when I felt the heat of its current plainly upon my face. We all lay flat on the ground, as if dead, till Idris told us it was blown over. The meteor, or purple haze, which I saw, was indeed passed, but the light air that still blew was of heat to threaten suffocation.
Page 5 - Of the nature of those changes which take place in the Digestion of Food. Of the Chemical Principles of the process of Tanning Leather; and of the objects that must particularly be had in view in attempts to improve that most useful art. Of the Chemical Principles of the art of making Soap ; of the art of Bleaching; of the art of Dyeing; and in general of all the Mechanical Arts, as they apply to the various branches of manufacture.
Page 25 - Hence too it follows, that the infamous and unchristian practice of withholding baptism from negro servants, lest they should thereby gain their liberty, is totally without foundation, as well as without excuse. The l«w of England acts upon general and extensive principles : it gives liberty, rightly understood, that is, protection, to a Jew, a Turk, or a Heathen...
Page 11 - It is very probable that the great stratum called the milky way, is that in which the sun is placed, though perhaps not in the very centre of its thickness.
Page 3 - The distance between two points on the surface of a sphere is the length of the minor arc of a great circle between them.
Page 19 - To this head may also be referred the practice of what is called a set-off: whereby the defendant acknowledges the justice of the plaintiff's demand on the one hand, but on the other sets up a demand of his own, to counterbalance that of the plaintiff, either in the whole or in part...