Nature, Količina 47Sir Norman Lockyer Macmillan Journals Limited, 1893 |
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Stran 14
... Substances " ( Brit . Assoc . Report , 1867 , p . 83 ) . On immersing crystals of ferrous sulphate in a solution ... substance of lead or silver trees , and from the curio fibres of potassium , iodide , and chloride described b Mr ...
... Substances " ( Brit . Assoc . Report , 1867 , p . 83 ) . On immersing crystals of ferrous sulphate in a solution ... substance of lead or silver trees , and from the curio fibres of potassium , iodide , and chloride described b Mr ...
Stran 18
... substance in a state of tolerable purity by a reaction analogous to that of barium hydrate upon acrolein dibromide , the reaction which yielded the first synthetical glu- cose . They first prepared the mono - bromine , derivative of ...
... substance in a state of tolerable purity by a reaction analogous to that of barium hydrate upon acrolein dibromide , the reaction which yielded the first synthetical glu- cose . They first prepared the mono - bromine , derivative of ...
Stran 42
... substance used in tattooing , which colouring - matter also varied in quality , partly owing to what it was made ... substances to be used in burning for their soot - kauri - resin ( kapia ) and the resinous veins of white pine ...
... substance used in tattooing , which colouring - matter also varied in quality , partly owing to what it was made ... substances to be used in burning for their soot - kauri - resin ( kapia ) and the resinous veins of white pine ...
Stran 52
... substance and its commercial value , which are points that could scarcely be expected to be mastered by one mind . In the " Pharmacographia " of Flückiger and Hanbury , two master minds on the subject of drugs were brought into co ...
... substance and its commercial value , which are points that could scarcely be expected to be mastered by one mind . In the " Pharmacographia " of Flückiger and Hanbury , two master minds on the subject of drugs were brought into co ...
Stran 70
... substance , he went on to show that the formulæ given in the paper by which the critical temperatures , pressures and volumes might be calculated , lead to results differing from experimental numbers by quantities greatly in excess of ...
... substance , he went on to show that the formulæ given in the paper by which the critical temperatures , pressures and volumes might be calculated , lead to results differing from experimental numbers by quantities greatly in excess of ...
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acid animals apparatus appears Archibald Geikie Astronomical azoimide body Botany British Cambridge Catalogue cells chemical Cloth College colour comet compound contains Crown 8vo crystals December deposits described Edition electric Engineering examination exhibited experiments fact feet Fossils FRANCIS GALTON geological give glass heliacal rising HOLBORN VIADUCT Illustrated important inches Institution Instrument interesting iron January laboratory Lantern larvæ lectures lens light lines liquid List of Minerals London magnetic Mathematical matter means Medal metal Metazoa meteoritic MICROSCOPE Minerals Museum NATURE November observations Observatory obtained Optical origin osmotic pressure paper photographs Physical plants plates Post Free present pressure Price Prof published quantity recent rocks Royal Geographical Society schists Science scientific shell Sir John Lubbock solution South species specimens Sphenophyllum stars STREET substance surface temperature theory Thoth tion tube University vector velocity Vols volume
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Stran viii - PROCESSES, AND COLLATERAL INFORMATION IN THE ARTS, MANUFACTURES, PROFESSIONS, AND TRADES, INCLUDING MEDICINE, PHARMACY, AND DOMESTIC ECONOMY ; designed as a General Book of Reference for the Manufacturer, Tradesman, Amateur, and Heads of Families.
Stran 145 - FELKIN, HM— Technical Education in a Saxon Town. Published for the City and Guilds of London Institute for the Advancement of Technical Education.
Stran 111 - I. By Sir W. THOMSON, LL.D., DCL, FRS, Professor of Natural Philosophy in the University of Glasgow...
Stran 120 - That the magnitudes of these standards should be determined on the electro-magnetic system of measurement with reference to the centimetre as unit of length, the gramme as unit of mass, and the second as unit of time, and that by the terms centimetre and gramme are meant the standards of those denominations deposited with the Board of Trade. 3. That the standard of electrical resistance should be denominated the ohm, and should have the value 1,000,000,000 in terms of the centimetre and second. 4....
Stran 58 - The purpose of this laboratory is to afford opportunities for the study and observation of the development, anatomy, and habits of common types of marine animals, under suitable direction and advice.
Stran xxix - Is it to be understood from all this that a chlorine compound which is not produced by energetic union — say an endothermic compound like...
Stran 89 - Wright (Lewis). — LIGHT ; A COURSE OF EXPERIMENTAL OPTICS, CHIEFLY WITH THE LANTERN. By LEWIS WRIGHT. With nearly 200 Engravings and Coloured Plates. Crown 8vo. 7*. 6d. ASTRONOMY. Airy. — POPULAR ASTRONOMY. With Illustrations by Sir GB AIRY, KCB, formerly Astronomer-Royal.
Stran xl - I would commend to your consideration the propriety of transferring it to the funds of the Imperial Institute of the United Kingdom, the Colonies, and India...
Stran 26 - A New and Enlarged Edition. Constructed from the best materials, and embodying the results of the most recent investigations, accompanied by a complete INDEX OF PLACES, in which the proper quantities are given by T.
Stran 120 - 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.