A London Encyclopaedia, Or Universal Dictionary of Science, Art, Literature and Practical Mechanics: Comprising a Popular View of the Present State of Knowledge : Illustrated by Numerous Engravings, a General Atlas, and Appropriate Diagrams, Volume 8Thomas Curtis Thomas Tegg, 1829 - Aeronautics |
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Page 22
... , are connected with the power of electrical transmision ; for similar characters of this kind are possessed by bodies of both classes . Thus platina , the densest of bodies , is a conductor ; but so also are charcoal , and 22 ELECTRICITY .
... , are connected with the power of electrical transmision ; for similar characters of this kind are possessed by bodies of both classes . Thus platina , the densest of bodies , is a conductor ; but so also are charcoal , and 22 ELECTRICITY .
Page 32
... platina wire within one end of a glass tube thirty inches long , so that the wire may project a little way within the tube , and fix a small brass ball on the outer ex- tremity of the wire . Fill the tube with mercury , and at the open ...
... platina wire within one end of a glass tube thirty inches long , so that the wire may project a little way within the tube , and fix a small brass ball on the outer ex- tremity of the wire . Fill the tube with mercury , and at the open ...
Page 50
... Platina wire Silver wire Gold wire • . • A. 136 136 . 136 * . · · B. 20 · 30 45 35 35 • • • C. Light gray . Nearly white . Nearly white . Reddish brown . Purple brown . 35. Black . 40 • 136 40 . Black . Brownish purple 238. Mr. Singer ...
... Platina wire Silver wire Gold wire • . • A. 136 136 . 136 * . · · B. 20 · 30 45 35 35 • • • C. Light gray . Nearly white . Nearly white . Reddish brown . Purple brown . 35. Black . 40 • 136 40 . Black . Brownish purple 238. Mr. Singer ...
Page 73
... platina needle , two inches long . In- stead of the platina needle , one of standard silver may be substituted , composed of nine parts of silver , and one of copper . The platina needle should be soldered with a silver solder to the ...
... platina needle , two inches long . In- stead of the platina needle , one of standard silver may be substituted , composed of nine parts of silver , and one of copper . The platina needle should be soldered with a silver solder to the ...
Page 74
... platina was placed on the cap of the elec- trometer , and heated by one of the flames before mentioned , if the temperature was a red heat or above , the metal became negative , but below a red heat it became positive . On trying the ...
... platina was placed on the cap of the elec- trometer , and heated by one of the flames before mentioned , if the temperature was a red heat or above , the metal became negative , but below a red heat it became positive . On trying the ...
Common terms and phrases
acid action afterwards apparatus appear attraction ball barons battery bishop body brass called canal centre charge coating color common conducting conductor connected copper crown cylinder diameter direction distance duke earl effect elec electric fluid electrified electrometer electrum emblements employed England English engraving excited experiments extremity Faerie Queene feet fixed force galvanic galvanometer glass gold ground heat Henry Henry VIII house of York inches insulated iron king king of France king's kingdom land length Leyden jar light London machine magnetic manner ment mercury metallic mezzotinto motion muriatic acid nature needle negative nerve observed opposite oxide parliament pass person phenomena piece pile plate platina pole pope positive prince produced quantity queen reign repulsion Shakspeare side silver soon spark substances surface tion tricity tube Voltaic Voltaic pile whole wire zinc
Popular passages
Page 180 - Christ was the word that spake it, He took the bread and brake it, And what that word did make it, That I believe and take it.
Page 218 - Are they not his by a peculiar right, And by an emphasis of interest his, Whose eye they fill with tears of holy joy, Whose heart with praise, and whose exalted mind With worthy thoughts of that unwearied love That plann'd, and built, and still upholds a world So clothed with beauty for rebellious man...
Page 205 - We see in needle-works and embroideries, it is more pleasing to have a lively work upon a sad and solemn ground, than to have a dark and melancholy work upon a lightsome ground : judge therefore of the pleasure of the heart by the pleasure of the eye. Certainly virtue is like precious odours, most fragrant when they are incensed or crushed: for Prosperity doth best discover vice, but Adversity doth best discover virtue.
Page 430 - Enlarged the former narrow bounds, And added length to solemn sounds, With Nature's mother-wit, and arts unknown before. Let old Timotheus yield the prize, Or both divide the crown : He raised a mortal to the skies: She drew an angel down.
Page 398 - Fathers, being agreeable to the propriety of the place, and the analogy of faith. — 5. The division of the chapters to be altered either not at all, or as little as may be, if necessity so require it. — 6. No marginal notes at all to be affixed, but only for the explanation of the Hebrew or Greek words, which cannot, without some circumlocution, so briefly and fitly be expressed in the text.
Page 398 - ... reasons; to which if they consent not, the difference to be compounded at the general meeting, which is to be of the chief persons of each company at the end of the work.
Page 188 - And on that cheek, and o'er that brow, So soft, so calm, yet eloquent, The smiles that win, the tints that glow, But tell of days in goodness spent, A mind at peace with all below, A heart whose love is innocent THE HARP THE MONARCH MINSTREL SWEPT.
Page 8 - And be it further enacted, that no person in holy orders in the chnrch of Rome shall be capable of being elected to serve in parliament as a member of the house of commons...
Page 398 - Bible: Tindale's, Matthew's, Coverdale's, Whitchurch's, Geneva. 15. Besides the said directors before mentioned, three or four of the most ancient and grave divines in either of the universities, not employed in translating, to be assigned by the Vice-Chancellor upon conference with the rest of the Heads to be overseers of the translations, as well Hebrew as Greek, for the better observation of the fourth rule above specified.
Page 213 - I may therefore conclude, that the passion of laughter is nothing else but sudden glory arising from some sudden conception of some eminency in ourselves, by comparison with the infirmity of others, or with our own formerly...