The Popular Educator, Volume 5John Cassell, 1856 |
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Page 34
... bulb , the construction of the thermometer includes three other important operations : 1st , the division of the tube into parts of equal capacity ; 2nd , the introduction of the mercury into the bulb ; 3rd , the graduation . Division ...
... bulb , the construction of the thermometer includes three other important operations : 1st , the division of the tube into parts of equal capacity ; 2nd , the introduction of the mercury into the bulb ; 3rd , the graduation . Division ...
Page 35
... bulb D must be heated so that the mercury will expand and rise to the top of the tube . Thus no air will be left in the thermometer ; for , were any air allowed to remain , it would be compressed when the mercury rose in the tube , and ...
... bulb D must be heated so that the mercury will expand and rise to the top of the tube . Thus no air will be left in the thermometer ; for , were any air allowed to remain , it would be compressed when the mercury rose in the tube , and ...
Page 36
... bulb of the degrees of Fahrenheit's scale , we must multiply the given thermometer must not be immersed in it when boiling ; for it number by % , and to the product add 32 ; thus 35 ° Centigrade is only at the surface that it is really ...
... bulb of the degrees of Fahrenheit's scale , we must multiply the given thermometer must not be immersed in it when boiling ; for it number by % , and to the product add 32 ; thus 35 ° Centigrade is only at the surface that it is really ...
Page 52
... bulb , arising from the effect of the exterior pressure of the atmosphere , as a vacuum exists in the thermometer ; but it has been observed that thermometers which contain air change like those which contain a vacuum . It has been also ...
... bulb , arising from the effect of the exterior pressure of the atmosphere , as a vacuum exists in the thermometer ; but it has been observed that thermometers which contain air change like those which contain a vacuum . It has been also ...
Page 53
... bulbs , the index is passed into this appendage , and the air is then allowed to pass into the other bulb . In order to make the index come out of this appen- dage and take the position which it ought to occupy , it is sufficient to ...
... bulbs , the index is passed into this appendage , and the air is then allowed to pass into the other bulb . In order to make the index come out of this appen- dage and take the position which it ought to occupy , it is sufficient to ...
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Common terms and phrases
acid Aorist apparatus atmosphere avait beds Bills body boiling bulb called caloric carbonic carbonic acid Cash Account CASSELL'S LESSONS cent Centigrade chalk chlorine cloth co-efficient contains cupel cylinder degree diathermous E. A. ANDREWS East Dereham ebullition elastic force employed enfants engine English equal equation EXERCISE expansion Fahrenheit falling inflection figure Fodora gases German given glass hygrometer inches indicated inflection Latin liquid logarithm mantissa means mercury metal Napoléon oolite paper covers parallel parallelogram pass Peter Hutchinson petite piston Pluperfect pressure preterite Prob quantity of heat question quotient rays rectilineal Richard O'Brien right angles root RULE sides só-no solution sound steam straight line substances Sundries temperature tense thermometer thou tion tone triangle tube Union Bank vapour of water verbs vessel voice volume vowel Watt weight Whence word Οἱ ου τοις
Popular passages
Page 120 - ... to dive into the depths of dungeons; to plunge into the infection of hospitals; to survey the mansions of sorrow and pain; to take the gauge and dimensions of misery, depression, and contempt; to remember the forgotten, to attend to the neglected, to visit the forsaken, and to compare and collate the distresses of all men in all countries.
Page 30 - In thoughts from the visions of the night, When deep sleep falleth on men, Fear came upon me, and trembling, Which made all my bones to shake. Then a spirit passed before my face; The hair of my flesh stood up...
Page 262 - In its sublime research, philosophy May measure out the ocean deep, may count The sands or the sun's rays : but, God, for thee There is no weight nor measure ; none can mount Up to thy mysteries. Reason's brightest spark, Though kindled by thy light, in vain would try To trace thy counsels, infinite and dark ; And thought is lost ere thought can soar so high, Even like past moments in eternity.
Page 182 - Dryden knew more of man in his general nature, and Pope in his local manners.
Page 182 - Of genius, that power which constitutes a poet; that quality without which judgment is cold and knowledge is inert; that energy which collects, combines, amplifies, and animates, the superiority must with some hesitation be allowed to Dryden.
Page 262 - A million torches lighted by thy hand Wander unwearied through the blue abyss : They own thy power, accomplish thy command. All gay with life, all eloquent with bliss What shall we call them? Piles of crystal light— A glorious company of golden streams — Lamps of celestial ether, burning bright — Suns lighting systems with their joyous beams ? But thou to these art as the noon to night.
Page 118 - I could a tale unfold, whose lightest word Would harrow up thy soul ; freeze thy young blood ; Make thy two eyes, like stars, start from their spheres ; Thy knotted and combined locks to part, And each particular hair to stand on end Like quills upon the fretful porcupine...
Page 182 - Pope had only a little, because Dryden had more : for every other writer since Milton must give place to Pope ; and even of Dryden it must be said, that, if he has brighter paragraphs, he has not better poems.
Page 182 - For this reason he kept his pieces very long in his hands, while he considered and reconsidered them. The only poems which can be supposed to have been written with such regard to the times as might hasten their publication, were the two satires of ' Thirty- eight ; ' of which Dodsley told me, that they were brought to him by the author, that they might be fairly copied.