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Article THE CHEMISTRY OF COMMON THINGS. ← Page 7 of 7
Note: This text has been automatically extracted via Optical Character Recognition (OCR) software.
The Chemistry Of Common Things.
efflux of he & t from any part is obstructed , ^ with a nonconducting substance or by being placed i warm object , the heat is generated foster than it can be dissipated , and this occasions a sensation o » f warmth . If when the hands are at their natu ^ water , no sensation either of heat or cold is produced , because the difierence of temperature between the siderable . But if by immersion in hot an the temperature ^
other reduced , and they be ^ a ^ water will impart heat to the one hand and abstract it fo thus occasioning a feeling of w in the bth er , although the water Is manifestly of the same actual temperature throughout . But bodies at the sa-foet produce sensations differing in degree according to t ^ which they ii ^
depends prmcipally on two circum of the body ; and also , the number of its pa ^ contact with the hand . Thus metals being more powerful conductors than wood , objects formed of ^ formed of the latter under similar conditions ^ if their temperature be considerably below th at of the body , and warmer if above it . But many nonconducting s
produce an effect almost equal to that of metals . This arises from the polished nature of their surfaces enabling a great number bf their particles to come into contact with the hand , and so to impart or carry off a greater amount of heat in proportion to their conducting power than bodies with rough surfaces , in which a comparatively small number of particles come into contact with the skin . For this reason also , water and other liquids at common temperatures , appear colder than the air ,
Brother Jonathan . —The Masotiie ' 'Journal , published at Staverhill , Massachusetts , says : —The cognomen of " Brother Jonathan" is of Masonic origin . — George Washington , commander-in-chief of the American army in the reyolutiou , was a Mason , as well as all the other generals , not even expecting Benedict Arnold , the traitor , who attempted to deliver West Point into the hands of the enemy . On one occasion , when the American army had met with some serious
reverses , General Washington called his brother officers together to consult in what manner their effects could be counteracted . Differing , as they did , in opinion , the commander in-chief postponed any action on the subject , by remarking—" Let us consult Brother Jonathan /' referring to Jonathau Trumbull , who was a wellknown Mason , and particularly distinguished " for his sound judgment , strict morals , and having the tongue of good report . "
The Education of Englishmen . —Would not a Chinese who took notice of our way of educating , be apt to imagine that all our young gentlemen were designed to be teachers and professors of the dead languages of foreign countries , and not to be men of business in their own . — Locke .
Note: This text has been automatically extracted via Optical Character Recognition (OCR) software.
The Chemistry Of Common Things.
efflux of he & t from any part is obstructed , ^ with a nonconducting substance or by being placed i warm object , the heat is generated foster than it can be dissipated , and this occasions a sensation o » f warmth . If when the hands are at their natu ^ water , no sensation either of heat or cold is produced , because the difierence of temperature between the siderable . But if by immersion in hot an the temperature ^
other reduced , and they be ^ a ^ water will impart heat to the one hand and abstract it fo thus occasioning a feeling of w in the bth er , although the water Is manifestly of the same actual temperature throughout . But bodies at the sa-foet produce sensations differing in degree according to t ^ which they ii ^
depends prmcipally on two circum of the body ; and also , the number of its pa ^ contact with the hand . Thus metals being more powerful conductors than wood , objects formed of ^ formed of the latter under similar conditions ^ if their temperature be considerably below th at of the body , and warmer if above it . But many nonconducting s
produce an effect almost equal to that of metals . This arises from the polished nature of their surfaces enabling a great number bf their particles to come into contact with the hand , and so to impart or carry off a greater amount of heat in proportion to their conducting power than bodies with rough surfaces , in which a comparatively small number of particles come into contact with the skin . For this reason also , water and other liquids at common temperatures , appear colder than the air ,
Brother Jonathan . —The Masotiie ' 'Journal , published at Staverhill , Massachusetts , says : —The cognomen of " Brother Jonathan" is of Masonic origin . — George Washington , commander-in-chief of the American army in the reyolutiou , was a Mason , as well as all the other generals , not even expecting Benedict Arnold , the traitor , who attempted to deliver West Point into the hands of the enemy . On one occasion , when the American army had met with some serious
reverses , General Washington called his brother officers together to consult in what manner their effects could be counteracted . Differing , as they did , in opinion , the commander in-chief postponed any action on the subject , by remarking—" Let us consult Brother Jonathan /' referring to Jonathau Trumbull , who was a wellknown Mason , and particularly distinguished " for his sound judgment , strict morals , and having the tongue of good report . "
The Education of Englishmen . —Would not a Chinese who took notice of our way of educating , be apt to imagine that all our young gentlemen were designed to be teachers and professors of the dead languages of foreign countries , and not to be men of business in their own . — Locke .