Report of the ... Meeting of the British Association for the Advancement of Science, Volume 64J. Murray, 1894 |
From inside the book
Results 1-5 of 67
Page lxxix
... fact that the enforcement of the same hour of meeting for all Sections would be contrary to the expressed wish of some of the Sections , resolved that the times of meeting of the Sections and Committees be arranged by the several ...
... fact that the enforcement of the same hour of meeting for all Sections would be contrary to the expressed wish of some of the Sections , resolved that the times of meeting of the Sections and Committees be arranged by the several ...
Page 6
... fact of the theoretic idea that the atoms of each element consist of so many atoms or even of so many half - atoms of hydrogen . But the reply of the laboratories has always been clear and certain - that there is not in the facts the ...
... fact of the theoretic idea that the atoms of each element consist of so many atoms or even of so many half - atoms of hydrogen . But the reply of the laboratories has always been clear and certain - that there is not in the facts the ...
Page 11
... fact , disposed of the doctrine of the im- mutability of species . It has been mainly associated in recent days with the honoured name of Agassiz , but with him has disappeared the last defender of it who could claim the attention of ...
... fact , disposed of the doctrine of the im- mutability of species . It has been mainly associated in recent days with the honoured name of Agassiz , but with him has disappeared the last defender of it who could claim the attention of ...
Page 22
... It was desirable that results in other districts should be noted , and all persons wishing to do similar work should consult Mr. Watts at Strines Dale , Oldham SECTION D. Mr. Slater recorded the interesting fact that a 22 REPORT - 1894 .
... It was desirable that results in other districts should be noted , and all persons wishing to do similar work should consult Mr. Watts at Strines Dale , Oldham SECTION D. Mr. Slater recorded the interesting fact that a 22 REPORT - 1894 .
Page 70
... fact that E = constant is an integral of the equations of motion of the system and not on any other property peculiar to E. But the equations of motion may have other integrals as well . In such cases ( 3 ) does not represent the most ...
... fact that E = constant is an integral of the equations of motion of the system and not on any other property peculiar to E. But the equations of motion may have other integrals as well . In such cases ( 3 ) does not represent the most ...
Contents
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Common terms and phrases
acid Akad April April 27 Association axis Beiblätter Belfast Ben Nevis boiler bolometer British calorimeter carbon Carboniferous Cardiff cent centimetre Chem chemical clay coil colour Committee Corresponding Societies crystals curve deposits depth distribution Economics electric energy examination experiments fathoms feet forestry gases Geological heat inches instrument investigation June Kew Observatory kinetic length light LL.D Lord Lord Kelvin Lord Rayleigh magnetic marl means measured ment mercurous sulphate method molecules Museum Naturalists Nature observations Observatory obtained Oxford P. L. Sclater paper Phil photographs Phys physical planimeter Port Erin position present pressure Proc Prof Professor R. I. Murchison Read Report rock salt scientific Secretary Section solution specimens Spectra Spectrum steam surface temperature theory tion Trans tube Ueber velocity wire Zeitschr
Popular passages
Page xxvii - 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.
Page 737 - ... the art of directing the great sources of power in nature for the use and convenience of man, as the means of production and of traffic in states.
Page 120 - As a unit of electromotive force, the international volt, which is the electromotive force that, steadily applied to a conductor whose resistance is one international ohm, will produce a current of one international...
Page 135 - As a unit of resistance, the international ohm, which is based upon the ohm equal to 10" units of resistance of the CGS system of electromagnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice, 14.4521 grams in mass, of a constant cross-sectional area and of the length of 106.3 centimetres.
Page 135 - Ampere, which is one-tenth of the unit of current of the CGS system of electromagnetic units and which is represented sufficiently well for practical use by the unvarying current which, when passed through a solution of nitrate of silver in water, in accordance with a certain specification, deposits silver at the rate of 0.001118 of a gramme per second.
Page 120 - As a unit of work, the joule, which is equal to 107 units of work in the CGS system, and which is represented sufficiently well for practical use by the energy expended in one second by an international ampere in an international ohm. As a unit of power, the watt, which is equal to 10...
Page 137 - The anode is then immersed in the solution so as to be well covered by it and supported in that position ; the connections to the rest of the circuit are made.
Page 138 - ... to neutralise any free acid. The crystals should be dissolved with the aid of gentle heat, but the temperature to which the solution is raised should not exceed 30° C. Mercurous sulphate treated as described in 3 should be added in the proportion of about 12 per cent, by weight of the zinc sulphate crystals to neutralise any free zinc oxide remaining, and the solution filtered, while still warm, into a stock bottle.
Page 138 - Prepare a neutral saturated solution of pure ('pure recrystallized ') zinc sulphate by mixing in a flask distilled water with nearly twice its weight of crystals of pure zinc sulphate, and adding zinc oxide in the proportion of about 2 per cent. by weight of the zinc sulphate crystals to neutralize any free acid. The crystals should be dissolved with the aid of gentle heat, but the temperature to which the solution is raised should not exceed 30° C.
Page 120 - The anode should be a plate of pure silver some 30 square centimetres in area and 2 or 3 millimetres in thickness. This is supported horizontally in the liquid near the top of the solution by a platinum wire passed through holes in the plate at opposite corners. To prevent the disintegrated silver which is formed on the anode from falling on to the kathode, the anode should be wrapped round with pure filter paper, secured at the back with sealing wax.