Report of the Annual Meeting, Volume 14Office of the British Association, 1845 |
Overige edities - Alles bekijken
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Veelvoorkomende woorden en zinsdelen
acid anemometer angle animal appears atmosphere barometer birds boiler British Association calcaneum carbonate of lime carbonic acid catalogue Catherine's Point channel character coast colour column Committee considerable constellations contains crâne crest crète curves depth described diameter Diprotodon direction diurnal electrometers equal exhibited exist experiments fauna feet fluid fossil gaseous genera genus gneiss heat height hour inches instrument iron island John Herschel length lines Longstone magnetic marsupial mean membrane Meteorological miles Monte Bolca motion moulted nacre nature nearly observations Observatory obtained ornithology palpus papillæ particles peculiar phænomena phænomenon plane Plate poissons portion posterior potash present pressure produced Prof Professor proportion quantity remarkable Report Scilly shell Sheppey Silurian slate species specimens spiders stars stations structure sulphate surface temperature tion Toronto vapour velocity vertical wave whole wind Zoology
Populaire passages
Pagina 57 - To give a stronger impulse and a more systematic direction to scientific inquiry; to promote the intercourse of those who cultivate science in different parts of the British Empire with one another, and with foreign philosophers ; to obtain a more general attention to the objects of science, and a removal of any disadvantages of a public kind which impede its progress.
Pagina 386 - The reflexion of sensorial into motor impressions, which takes place in the sensorium commune, is not performed according to mere physical laws, where the angle of reflexion is equal to the angle of incidence...
Pagina 324 - In order to obtain perfect accuracy, we have only to reckon the effective depth for calculation, from the ridge or crest of the wave instead of from the level of the water at rest ; and having thus added to the depth of the water in repose, the height of the wave crest above the plane of repose, if we take the velocity which a heavy body would acquire in falling through a space equal to half the depth of the fluid (reckoning from the ridge of the wave to the bottom of the channel), that number accurately...
Pagina 76 - VIII) is from one and a half to two and a half inches in length, and from one-fourth to three fourths of an inch in diameter.
Pagina 318 - ... rolling on at a rate of some eight or nine miles an hour, preserving its original figure some thirty feet long and a foot to a foot and a half in height. Its height gradually diminished, and after a chase of one or two miles I lost it in the windings of the channel. Such, in the month of August 1834, was my first chance interview with that singular and beautiful phenomenon which I have called the Wave of Translation...
Pagina xlii - The march begins in military state, And nations on his eye suspended wait; Stern Famine guards the solitary coast, And Winter barricades the realms of Frost; He comes...
Pagina 254 - J after vm, and from x % to I. It will be seen, then, from this arrangement, that as the register is constantly and hourly moved along behind the three pencils, a continued record or trace of the direction and pressure of the wind, together with the amount of rain, is left on the paper. Figs.
Pagina 242 - ... line on the cylinder. If the fly revolve in the simple proportion of the velocity of the wind, the length of line marked by the pencil is proportional to the space which would be described by a...
Pagina 77 - ... the mean number of radii, produces 87,360, the total number of viscid globules in a finished net of average dimensions. A large net, fourteen or sixteen inches in diameter, will be found, by a similar calculation, to contain upwards of 120,000 viscid globules, and yet Epeira apoclisa will complete its snare in about forty minutes if it meet with no interruption.