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acid Angiopteris angular gyrus apex apical cell appearance axis brain carbonic oxide caused cautery cent cerebri circuit coefficient collateral fissure column cornu ammonis corpora quadrigemina cortex critical pressure crus cerebri deposits determined difference electric electromotive electromotive force energy equation eudiometer experiments explosion extremity eyes fissure formed frontal convolution galvanometer growth gyrus hippocampi hand heat hippocampal region hour hydrogen knocked its head laboratory tube leaf left hemisphere left side Leptosporangiate Ferns lesion LIBRARIES STANFORD limbs longitudinal magnetic MDCCCLXXXIV medullary fibres mercury millims mixture monopodial motion move observed occipital lobe operation the animal oxide and oxygen oxygen passed phyllopodium pinnae plane Plate portion posterior potential quantity ratio reaction resistance right side sections seen silver similar solution spark STANFORD UNIVERSITY steam sulcus surface Table tactile sensibility temperature transverse tube uninjured upper vapour vapour-pressures velocity vision volumes wave-lengths wings wire
Page 304 - change of motion is proportional to the impressed force, and takes place in the direction in which the force acts.
Page 336 - it is first recognisable as electric and magnetic to the parts where it is changed into heat or other forms ? The aim of this paper is to prove that there is a general law for the transfer of energy, according to which it moves at any point perpendicularly to the plane containing the lines of electric
Page 336 - and magnetic force, and that the amount crossing unit of area per second of this plane is equal to the product of the intensities of the two forces multiplied by the sine of the angle between them divided by
Page 336 - while the direction of flow of energy is that in which a right-handed screw would move if turned round from the positive direction of the electromotive to the positive direction of the magnetic intensity. After the investigation of the general law several applications
Page 335 - directed to the conductor, and the energy which appeared at any part of the circuit, if considered at all, was supposed to be conveyed thither through the conductor by the current. But the existence of induced currents and
Page 343 - It seems then that none of the energy of a current travels along the wire, but that it comes in from the nonconducting medium surrounding the wire, that as soon as it enters it begins to be transformed into heat, the amount crossing successive layers of the wire decreasing till by the time the centre is reached, where there is no magnetic force,
Page 505 - The movements of the leg were seen to be greatly impaired, and the arm quite powerless, being maintained flexed at the elbow, the thumb bent on the palm, and the fingers semiflexed."* The animal
Page 490 - The only lesion which causes complete and permanent blindness is total destruction of the occipital lobes and angular gyri on both sides.