The British Encyclopedia, Or Dictionary of Arts and Sciences Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge, Τόμος 1Whittingham, 1809 |
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Σελίδα 20
... arteries empty , and the veins containing blood , in their dissec- tions , they imagined that the former were tubes for the distribution of air , and gave them that name , which they have retained ever since ; and that the veins were ...
... arteries empty , and the veins containing blood , in their dissec- tions , they imagined that the former were tubes for the distribution of air , and gave them that name , which they have retained ever since ; and that the veins were ...
Σελίδα 21
... artery , were choaked with blood , even to the entire obstruction of circulation and motion . But Harvey was not ... arteries into the veins through a spongy substance . Much yet remained to be as- certained by microscopical observations ...
... artery , were choaked with blood , even to the entire obstruction of circulation and motion . But Harvey was not ... arteries into the veins through a spongy substance . Much yet remained to be as- certained by microscopical observations ...
Σελίδα 26
... arteries , it washes every part , builds up what was broken down , and sweeps away the old and useless materials . Hence we see the necessity or advantage of the heart and arterial system : the over- plus of this blood , beyond what was ...
... arteries , it washes every part , builds up what was broken down , and sweeps away the old and useless materials . Hence we see the necessity or advantage of the heart and arterial system : the over- plus of this blood , beyond what was ...
Σελίδα 29
... arteries , and again taken in by the lympha- tics . It thus acquires a pliancy and soft- ness , which adapt it particularly to serve as a connecting medium for parts , which have motion on each other . The importance of this property ...
... arteries , and again taken in by the lympha- tics . It thus acquires a pliancy and soft- ness , which adapt it particularly to serve as a connecting medium for parts , which have motion on each other . The importance of this property ...
Σελίδα 32
... arteries being larger and more numerous . The bones of old persons contain more earth , and are con- sequently whiter and less vascular . Some recent experiments have shewn the quantity of jelly contained in bones to be much larger than ...
... arteries being larger and more numerous . The bones of old persons contain more earth , and are con- sequently whiter and less vascular . Some recent experiments have shewn the quantity of jelly contained in bones to be much larger than ...
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acid alumina anatomy ancient angle animal aphides appear arch architrave artery astronomy bees benzoic acid bill bird-lime birds body bones botany branches called calyx cartilage cavity chyle class and order class of plants colour columns common composed consists contained cornice corolla covered cupel cymatium diameter distance divided earth entablature equal equation feet figure five flowers fluid four genus head heat height hive inches insects Ionic order kind land leaves length less manner membrane ment mercury Monogynia class moon motion multiplied muscles native natural nerves nitric acid oblong observed orbit papillæ pass person petals pilasters potash produce proportion quantity right ascension Roman root round roundish seeds shew side soil sometimes species specific gravity square stars substance surface tained term tion tree tube upper vegetable vessels whole
Δημοφιλή αποσπάσματα
Σελίδα 154 - The dexterity of hand, indeed, even in common trades, cannot be acquired without much practice and experience. But a young man would practise with much more diligence and attention if, from the beginning, he wrought as a journeyman, being paid in proportion to the little work which he could execute, and paying in his turn for the materials which he might sometimes spoil through awkwardness and inexperience.
Σελίδα 124 - The Sanscrit language, whatever be its antiquity, is of a wonderful structure; more perfect than the Greek, more copious than the Latin, and more exquisitely refined than either, yet bearing to both of them a stronger affinity, both in the roots of verbs and in the forms of grammar, than could possibly have been produced by accident; so strong indeed, that no philologer could examine them all three, without believing them to have sprung from some common source, which, perhaps, no longer exists...
Σελίδα 152 - It is in this manner that the policy of Europe, by restraining the competition in some employments to a smaller number than would otherwise be disposed to enter into them, occasions a very important inequality in the whole of the advantages and disadvantages of the different employments of labour and stock .... Thirdly, the policy of Europe, by obstructing the free circulation of labour and stock both from employment to employment, and from place to place...
Σελίδα 153 - When those particular incorporations which are now peculiarly called universities were first established, the term of years which it was necessary to study, in order to obtain the degree of master of arts, appears evidently to have been copied from the term of apprenticeship in common trades, of which the incorporations were much more ancient.