Nature, Količina 47Sir Norman Lockyer Macmillan Journals Limited, 1893 |
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Zadetki 6–10 od 75
Stran 15
... mean temperature in each district for each similar quarter for the twenty - seven years 1866–92 , grouped in five yearly averages , and also the means for individual years from 1881. The average rainfall of the quarter for the whole of ...
... mean temperature in each district for each similar quarter for the twenty - seven years 1866–92 , grouped in five yearly averages , and also the means for individual years from 1881. The average rainfall of the quarter for the whole of ...
Stran 16
... means of a mercury pump working without a stopcock . Finally , the electro - positive metals , such as zinc and the alkalies , are separated by electrolysis . The mercury is precipitated from a solution of mercurous nitrate ob- tained ...
... means of a mercury pump working without a stopcock . Finally , the electro - positive metals , such as zinc and the alkalies , are separated by electrolysis . The mercury is precipitated from a solution of mercurous nitrate ob- tained ...
Stran 20
... means of which the speed of the engine was regulated during the experiment . The bodies and both ends of all three cylinders are steam - jacketed . The jacket steam of the high pressure cylinder is at full boiler pressure , but the ...
... means of which the speed of the engine was regulated during the experiment . The bodies and both ends of all three cylinders are steam - jacketed . The jacket steam of the high pressure cylinder is at full boiler pressure , but the ...
Stran 23
... means of protection , such as hairs and a comparatively thick cuticle , play a subordinate part . In a further communication by Prof. Arcangeli on the Cultivation of Cynomorium coccineum , he states that he does not find such an ...
... means of protection , such as hairs and a comparatively thick cuticle , play a subordinate part . In a further communication by Prof. Arcangeli on the Cultivation of Cynomorium coccineum , he states that he does not find such an ...
Stran 24
... mean , whereas the two polar caps , or the remaining 40 per cent . , receive less . A similar calculation of the annual temperature gave the mean as at latitude 38 ° N. and 35 ° S. , giving as before 60 per cent . of the surface with ...
... mean , whereas the two polar caps , or the remaining 40 per cent . , receive less . A similar calculation of the annual temperature gave the mean as at latitude 38 ° N. and 35 ° S. , giving as before 60 per cent . of the surface with ...
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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.