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 6Thomas Curtis Thomas Tegg, 1829 - Aeronautics |
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Page 158
... sal ammoniac , mixed with three ounces of spitit of nitre , made the thermometer descend two inches and five lines ; but on using spirit of vitriol , in- stead of nitre , it sunk two inches and six lines . In this last experiment it was ...
... sal ammoniac , mixed with three ounces of spitit of nitre , made the thermometer descend two inches and five lines ; but on using spirit of vitriol , in- stead of nitre , it sunk two inches and six lines . In this last experiment it was ...
Page 159
... sal ammoniac , to 9 ° . Thus Mr. Walker was able to freeze quick- silver without either ice or snow , when the ther- mometer stood at 45 ° . For the experiment four pans were procured of different sizes , so that one might be put within ...
... sal ammoniac , to 9 ° . Thus Mr. Walker was able to freeze quick- silver without either ice or snow , when the ther- mometer stood at 45 ° . For the experiment four pans were procured of different sizes , so that one might be put within ...
Page 206
... sal ammoniac and strong lime water , and add a small proportion of crude sal ammoniac . The glass is then to be tied over with a piece of bladder , and set by for three or four days . If the moss be of the proper kind the little liquor ...
... sal ammoniac and strong lime water , and add a small proportion of crude sal ammoniac . The glass is then to be tied over with a piece of bladder , and set by for three or four days . If the moss be of the proper kind the little liquor ...
Page 223
... sal am- moniac , ground well together , with strong white wine vinegar poured on them ; and by converting the nitrous acid into aqua regia , by dissolving a fourth part of its weight of sal ammoniac in it , ivory may be stained of a ...
... sal am- moniac , ground well together , with strong white wine vinegar poured on them ; and by converting the nitrous acid into aqua regia , by dissolving a fourth part of its weight of sal ammoniac in it , ivory may be stained of a ...
Page 689
... sal - ammoniac when prepared by a mix- ture of pure volatile alkali , with spirit of salt , shoots into crystals resembling feathers ; but if , instead of a pure alkali , we make use of one just distilled from bones , and containing a ...
... sal - ammoniac when prepared by a mix- ture of pure volatile alkali , with spirit of salt , shoots into crystals resembling feathers ; but if , instead of a pure alkali , we make use of one just distilled from bones , and containing a ...
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Popular passages
Page 274 - Are not the mountains, waves, and skies, a part Of me and of my soul, as I of them?
Page 21 - AH ! who can tell how hard it is to climb The steep where Fame's proud temple shines afar; Ah! who can tell how many a soul sublime Has felt the influence of malignant star, And waged with Fortune an eternal war; Check'd by the scoff of Pride, by Envy's frown, And Poverty's unconquerable bar, In life's low vale remote has pined alone, Then dropt into the grave, unpitied and unknown...
Page 322 - Reading maketh a full man, conference a ready man, and writing an exact man. And therefore if a man write little he had need have a great memory: if he confer little he had need have a present wit, and if he read little he had need have much cunning to seem to know that he doth not. Histories make men wise, poets witty, the mathematics subtle, natural philosophy deep, moral grave, logic and rhetoric able to contend,
Page 363 - Is there, in human form, that bears a heart — A wretch ! a villain ! lost to love and truth ! That can, with studied, sly, ensnaring art, Betray sweet Jenny's unsuspecting youth? Curse on his perjur'd arts ! dissembling smooth ! Are honour, virtue, conscience, all exil'd?
Page 422 - But hark ! a rap comes gently to the door ; Jenny, wha kens the meaning o' the same, Tells how a neebor lad cam' o'er the moor, To do some errands, and convoy her hame. The wily mother sees the conscious flame Sparkle in Jenny's e'e, and flush her cheek ; With heart-struck anxious care, inquires his name, While Jenny hafflins is afraid to speak : Weel pleased the mother hears it's nae wild, worthless rake. Wi...
Page 415 - Brethren, if any of you do err from the truth, and one convert him, let him know, that he *which converteth the sinner from the error of his way, shall save a soul from death, and shall hide a multitude of sins.
Page 400 - OH for a lodge in some vast wilderness, Some boundless contiguity of shade, Where rumour of oppression and deceit, Of unsuccessful or successful war, Might never reach me more.
Page 415 - To sit on rocks, to muse o'er flood and fell, To slowly trace the forest's shady scene, Where things that own not man's dominion dwell, And mortal foot hath ne'er, or rarely, been ; To climb the trackless mountain all unseen, With the wild flock that never needs a fold ; Alone o'er steeps and foaming falls to lean ; This is not solitude ; 'tis but to hold Converse with Nature's charms, and view her stores unroll'd.
Page 326 - Their blood is shed In confirmation of the noblest claim — Our claim to feed upon immortal truth, To walk with God, to be divinely free, To soar, and to anticipate the skies.
Page 282 - Yet when I approach Her loveliness, so absolute she seems And in herself complete, so well to know Her own, that what she wills to do or say, Seems wisest, virtuousest, discreetest, best.