Philosophical Transactions, Giving Some Account of the Present Undertakings, Studies, and Labours of the Ingenious, in Many Considerable Parts of the WorldRoyal Society of London, 1820 |
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Página 5
... structure of tumors , with that of the layers in aneurismal coagula , I got Mr. BAUER to examine in the microscope the structure of a tumor in the prostate gland , made up of rounded nodules ; the last formed of these was produced by ...
... structure of tumors , with that of the layers in aneurismal coagula , I got Mr. BAUER to examine in the microscope the structure of a tumor in the prostate gland , made up of rounded nodules ; the last formed of these was produced by ...
Página 6
... structure of such tumors is nearly allied to that of the layers in an aneurism . That these layers never become vascular , arises from the aeriform matter , evolved at the time that the blood coagulates , readily escaping into the circu ...
... structure of such tumors is nearly allied to that of the layers in an aneurism . That these layers never become vascular , arises from the aeriform matter , evolved at the time that the blood coagulates , readily escaping into the circu ...
Página 30
... structure , position , and connections of the lungs . It is hoped that no person , who has at all applied his attention to mecha- nical philosophy , will find any difficulty in comprehending this description of a simple but beautiful ...
... structure , position , and connections of the lungs . It is hoped that no person , who has at all applied his attention to mecha- nical philosophy , will find any difficulty in comprehending this description of a simple but beautiful ...
Página 31
... structure with the windpipe itself , and each as it proceeds is divided into smaller branches , which again and again ramify into others still smaller . The branches for some time are formed like the trunk from which they proceed , but ...
... structure with the windpipe itself , and each as it proceeds is divided into smaller branches , which again and again ramify into others still smaller . The branches for some time are formed like the trunk from which they proceed , but ...
Página 34
... structure , an open passage into the interior sub- stance of the lungs , and conceive that no substance should exist between the exterior surface of the lungs , and the in- ternal surface of the chest . The pressure of the atmosphere ...
... structure , an open passage into the interior sub- stance of the lungs , and conceive that no substance should exist between the exterior surface of the lungs , and the in- ternal surface of the chest . The pressure of the atmosphere ...
Otras ediciones - Ver todo
Philosophical Transactions, Giving Some Account of the Present Undertakings ... Vista completa - 1837 |
Philosophical Transactions, Giving Some Account of the Present Undertakings ... Vista completa - 1845 |
Philosophical Transactions, Giving Some Account of the Present Undertakings ... Vista completa - 1723 |
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Página 313 - From the numerous instances in which I have now witnessed the limit to acuteness of hearing, and from the distinct succession of steps that I might enumerate in the hearing of different friends, as the result of various trials that I have made among them, I am inclined to think, that at the limit of hearing, the interval of a single note between two sounds, may be sufficient to render the higher note inaudible, although the lower note is heard distinctly. The suddenness of the transition from perfect...
Página 313 - The suddenness of the transition," writes Wollaston, " from perfect hearing to total want of perception, occasions a degree of surprise which renders an experiment of this kind with a series of small pipes among several persons rather amusing. It is curious to observe the change of feeling manifested by various individuals of the party, in succession, as the sounds approach and pass the limits of their hearing. Those who enjoy a temporary triumph are often compelled, in their turn, to acknowledge...
Página 131 - ... the Mode of Formation of the Canal for containing the Spinal Marrow, and on the Form of the Fins (if they deserve that name) of the Proteosaurus, by Sir E.
Página 21 - ... of an inch diameter, under a pressure of a half inch column of water ; it was then inflamed, and regulated by means of a stop-cock, so as to produce a light equal to that of a wax candle burning with full brilliancy ; the relative intensity of the light of these flames was ascertained by a comparison of shadows.
Página 311 - ... of my own hearing, as well as of others of our acquaintance. By subsequent examination, we found that his sense of hearing terminated at a note four octaves above the middle E of the piano-forte. This note he seemed to hear rather imperfectly, but he could not hear the F next above it, although his hearing is in other respects as perfect, and his perception of musical pitch as correct as that of any ordinary ears.
Página 180 - The affection of the mother for its young is strongly marked ; and the Malays make frequent allusion to this animal as an example of maternal affection. When they succeed in taking a young one, they feel themselves certain of the mother, who follows it, and allows herself to be speared and taken almost without resistance.
Página 174 - According to the natives of Sumatra, the Dugong is never found on land, or in fresh water, but generally in the shallows of the sea, when the water is only two or three fathoms deep. " During our short possession of Singapore...
Página 314 - ... like the Grylli, whose powers appear to commence nearly where ours terminate, may have the faculty of hearing still sharper sounds which we do not know to exist, and that there may be other insects hearing nothing in common with us, but endowed with a power of exciting, and a sense...
Página 310 - ... tones suited to produce any musical effect terminate ; yet all persons but those whose organs are palpably defective, continue sensible of vibratory motion, until it becomes a mere tremor, which may be felt and even almost counted. On the contrary, if we turn our attention to the opposite extremity of the scale of audible sounds, and, with a series of pipes exceeding each other in sharpness, if we examine the effects of them successively upon the ears of any considerable number of persons, we...