The Journal of Science, and Annals of Astronomy, Biology, Geology, Industrial Arts, Manufactures, and Technology, Volumen15James Samuelson, Sir William Crookes J. Churchill and Sons., 1878 |
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Página 3
... increased sensibly within the last thirty years , but the conditions of train - service have materially altered within that period , and they are , by the effect of natural causes , continually changing in a manner which demands ...
... increased sensibly within the last thirty years , but the conditions of train - service have materially altered within that period , and they are , by the effect of natural causes , continually changing in a manner which demands ...
Página 5
... increased by having the break - power under the control of the engine - driver as well as of the guard . In the case of a signal failing to work and to show sign of danger , the engine - driver will naturally , if an obstruction exists ...
... increased by having the break - power under the control of the engine - driver as well as of the guard . In the case of a signal failing to work and to show sign of danger , the engine - driver will naturally , if an obstruction exists ...
Página 6
... increased security for passengers , all of which have neces- sarily been attended by increase of expenditure on the part of the Companies . So far as can at present be ascertained the prevailing weakness in our railway system just now ...
... increased security for passengers , all of which have neces- sarily been attended by increase of expenditure on the part of the Companies . So far as can at present be ascertained the prevailing weakness in our railway system just now ...
Página 24
... increased the fertility of their land , and reaped a harvest of unimagined luxuriance - finds its frequent realisation in the history of scientific research . We shall , perhaps , find it instructive to turn from the consideration of ...
... increased the fertility of their land , and reaped a harvest of unimagined luxuriance - finds its frequent realisation in the history of scientific research . We shall , perhaps , find it instructive to turn from the consideration of ...
Página 25
... increasing . Dumas , who is one of its most distinguished upholders , proposes the modification that all atomic weights are multiples by a whole number , if not of 1 , yet of o 25 or o ̊50 , maintaining that out of fifty - eight atomic ...
... increasing . Dumas , who is one of its most distinguished upholders , proposes the modification that all atomic weights are multiples by a whole number , if not of 1 , yet of o 25 or o ̊50 , maintaining that out of fifty - eight atomic ...
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action ammonia animals antennæ appear atmosphere atomic atomic weights become beds birds Boulder-clay Brentford carbonic acid cause cent chemical china clay clay colour compound condition contains deposits diluvium Ealing effect electric energy Europe evaporation evidence existence experience explained fact fauna feeling feet Finchley Geological glacial glaciers gravel gravific heat hypothesis inch insects lake larvæ less light liquid London London Clay lower matter means microscope moisture molecules motion natural nitrogen object observed obtained occur organic original palæolithic paper particles pebbles pedesis pedetic phenomena physical placer mines portion present probably produced Prof proper motion quantity Raoul Pictet recognised remarkable river rocks Sands and Gravels sandy Science scientific sense species stones substances sulphuric acid supposed surface temperature Thames theory tion trance tube valley vapour vibration wave whilst woolly rhinoceros
Pasajes populares
Página 233 - So that in strict truth the ideas of sight, when we apprehend by them distance and things placed at a distance, do not suggest or mark out to us things actually existing at a distance...
Página 553 - LIGHT: a Series of Simple, entertaining, and Inexpensive Experiments in the Phenomena of Light, for the Use of. Students of every age.
Página 268 - Other Worlds than Ours ; The Plurality of Worlds Studied under the Light of Recent Scientific Researches.
Página 432 - Here are two large houses three or four hundred feet in length, and about one hundred and fifty feet wide at the base. They are situated upon opposite sides of a small creek, and in ancient times are said to have been conceded with a bridge.
Página 564 - Sanitary Engineering: a Guide to the Construction of Works of Sewerage and House Drainage, with Tables for facilitating the calculations of the Engineer. By BALDWIN LATHAM, CE, M. Inst. CE, FGS, FMS, Past-President of the Society of Engineers.
Página 424 - ... for Evocations. Containing the Theoretic Teachings of Spirits concerning all kinds of Manifestations, the Means of Communication with the Invisible World, the Development of Medianimity, &c.
Página 504 - ... explanation of the strange stratification which the voltaic discharge undergoes in rarefied gases, it is clear that the alternate disposition of light and darkness must be dependent on some periodic distribution in space or sequence in time which can at present be dealt with only in a very general w&y.
Página 511 - Next as to mechanical appliances. Mr. Babbage, when speaking of the difficulty of ensuring accuracy in the long numerical calculations of theoretical astronomy, remarked, that the science which in itself is the most accurate and certain of all had, through these difficulties, become inaccurate and uncertain in sume of its results.
Página 501 - Moliere's well-known character, been talking mathematics without knowing it. It is, moreover, a fact not to be overlooked that the appearance of isolation, so conspicuous in mathematics, appertains in a greater or less degree to all other sciences, and perhaps also to all pursuits in life. In its highest flight each soars to a distance from its fellows. Each is pursued alone for its own sake, and without reference to its connection with, or its application to, any other subject. The pioneer and the...
Página 432 - ... a bridge. They are five and six stories high, each story receding from the one below it, and thus forming a structure terraced from top to bottom. Each story is divided into numerous little compartments, the outer...