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Article EXPERIMENTS ILLUSTRATING THE PROPERTIES OF CHARCOAL. ← Page 5 of 5 Article ON SUBDUING OUR PASSIONS. Page 1 of 3 →
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Experiments Illustrating The Properties Of Charcoal.
quantity of charcoal powder is added , the water becomes perfectly clear and transparent . This circumstance seems to be owin" - to the tenacious slimy particles , by means of which the essential ° oils are kept diffused and suspended in distilled waters ; hence the water cannot -become clear till the charcoal has been added in a quantity sufficient for the separation of the slimy matter .
26 . A watery infusion of assafbetida prepared by digestion , and a cold infusion of Virginia snake-root and valerian , were entirely deprived of the smell peculiar to these substances by charcoal powder . 27 . By the same means both white and red wine are rendered as colourless as water . 28 . All the calcareous particles are completely separated from limewater b
y means of charcoal powder ; so that it becomes quite tasteless , and is not rendered in the least degree turbid by the addition of acid of sugar . 29 . Water saturated with fixed air is very quickly and very completely deprived of it by charcoal powder . 30 . Onionsafter they have been well bruised or mashed
, , are quickly and completely deprived of their strong smell by mixture with charcoal powder . The same thing happens with garlick . jr . If a little charcoal powder has been introduced into a bottle that has been filled with smoke , and the bottle is afterwards shaken , the smoke will be entirely absorbed , and the charcoal powder will thereby lose its dephlogisticatingpower . upoii every other substance . Hence how
we see necessary it is , that charcoal which is prepared before-hand for any of these experiments , be kept from the access of smoke , and what is the constant attendant on smoke , phlogisticated air . It is of great importance to the success of the above-mentioned experiments , that the coal should be perfectly charred , and free from a ) l impurities and extraneous matter ; and also , that it should be reduced to a very fine powder . If not used soon after it is pounded , it should be kept in clean earthen or glass vessels , closely stopped .
On Subduing Our Passions.
ON SUBDUING OUR PASSIONS .
NATURE by a wise forecast has annexed difficulty to gloiy , and that the things which are glorious mi ght not become toocommon , she was willing that they should be also difficult . There is nothing more illustrious among men than the valour of Conquerors ; but he that aspires to this honourable title , must despise death , forget pleasuressurmount laboursand often purchase loiy at the of
, , g expence ¦ his own life .. Next to the valour of conquerors , we see nothing more illustrious than the eloquence of Orators ; it governs states without violence , it rules over people without arms , it forces their will with sweetness , it gives battles and gains victories without the effusion of
Note: This text has been automatically extracted via Optical Character Recognition (OCR) software.
Experiments Illustrating The Properties Of Charcoal.
quantity of charcoal powder is added , the water becomes perfectly clear and transparent . This circumstance seems to be owin" - to the tenacious slimy particles , by means of which the essential ° oils are kept diffused and suspended in distilled waters ; hence the water cannot -become clear till the charcoal has been added in a quantity sufficient for the separation of the slimy matter .
26 . A watery infusion of assafbetida prepared by digestion , and a cold infusion of Virginia snake-root and valerian , were entirely deprived of the smell peculiar to these substances by charcoal powder . 27 . By the same means both white and red wine are rendered as colourless as water . 28 . All the calcareous particles are completely separated from limewater b
y means of charcoal powder ; so that it becomes quite tasteless , and is not rendered in the least degree turbid by the addition of acid of sugar . 29 . Water saturated with fixed air is very quickly and very completely deprived of it by charcoal powder . 30 . Onionsafter they have been well bruised or mashed
, , are quickly and completely deprived of their strong smell by mixture with charcoal powder . The same thing happens with garlick . jr . If a little charcoal powder has been introduced into a bottle that has been filled with smoke , and the bottle is afterwards shaken , the smoke will be entirely absorbed , and the charcoal powder will thereby lose its dephlogisticatingpower . upoii every other substance . Hence how
we see necessary it is , that charcoal which is prepared before-hand for any of these experiments , be kept from the access of smoke , and what is the constant attendant on smoke , phlogisticated air . It is of great importance to the success of the above-mentioned experiments , that the coal should be perfectly charred , and free from a ) l impurities and extraneous matter ; and also , that it should be reduced to a very fine powder . If not used soon after it is pounded , it should be kept in clean earthen or glass vessels , closely stopped .
On Subduing Our Passions.
ON SUBDUING OUR PASSIONS .
NATURE by a wise forecast has annexed difficulty to gloiy , and that the things which are glorious mi ght not become toocommon , she was willing that they should be also difficult . There is nothing more illustrious among men than the valour of Conquerors ; but he that aspires to this honourable title , must despise death , forget pleasuressurmount laboursand often purchase loiy at the of
, , g expence ¦ his own life .. Next to the valour of conquerors , we see nothing more illustrious than the eloquence of Orators ; it governs states without violence , it rules over people without arms , it forces their will with sweetness , it gives battles and gains victories without the effusion of