An Elementary Course of Natural and Experimental Philosophy, Volume 2

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Longman, Brown, Green and Longmans, 1855 - Physics
 

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Page 88 - Your question, how I came first to think of proposing the experiment of drawing down the lightning, in order to ascertain its sameness with the electric fluid, I cannot answer better than by giving you an extract from the minutes I used to keep of the experiments I made, with memorandums of such as I purposed to make, the reasons for making them, and the observations that arose upon them, from which minutes my letters were afterwards drawn. By this extract you will see, that the thought was not so...
Page 88 - Electrical fluid agrees with lightning " in these particulars. 1. Giving light. 2. Colour of the light. " 3. Crooked direction. 4. Swift motion. 5. Being conducted " by metals. 6. Crack or noise in exploding. 7, Subsisting in " water or ice. 8. Rending bodies it passes through. " 9. Destroying animals. 10. Melting metals. 11. Firing " inflammable substances. 12. Sulphurous smell.
Page 43 - SO3, and the combining equivalent =16+ 3 x 8 = 40. The sign of equality (=) is used to express an identity of composition, but not always an identity in the form of the arrangement of the elements. The names given to compound substances are such as to indicate their elementary composition. Compounds containing oxygen are called acids or oxides, according as they do or do not possess acidity. Thus an oxide of iron contains oxygen and iron. The termination ic is placed to the name of a substance, when...
Page 2 - Fund. 12mo. 5s. cloth. TATE. -EXERCISES ON MECHANICS AND NATURAL PHILOSOPHY; or, an Easy Introduction to Engineering. Containing various Applications of the Principle of Work : the Theory of the Steam- Engine, with Simple Machines Theorems and Problems on Accumulated Work, &c. New Edition. 12mo. 2s. cloth. TATE.— KEY TO TATE'S EXERCISES ON MECHANICS AND NATURAL PHILOSOPHY.
Page 3 - PRINCIPLES of GEOMETRY, MENSURATION, TRIGONOMETRY, LAND-SURVEYING, and LEVELLING: Containing familiar Demonstrations and Illustrations of the most important Propositions in Euclid's Elements ; Proofs of all the useful Rules and...
Page 88 - The electric fluid is attracted by points. We do not know whether this property be in lightning ; but since they agree in all the particulars in which we can already compare them, it is not improbable that they agree likewise in this. Let the experiment be made.
Page 4 - ASTRONOMY and the USE of the GLOBES. Simplified for the Instruction of Beginners. By T.
Page 4 - The First Three Books of Euclid's Elements of Geometry. From the Text of Dr. ROBERT SIMSON : together with various useful Theorems and Problems, as Geometrical Exercises on each Book.

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