Nature, Volume 47Sir Norman Lockyer Macmillan Journals Limited, 1893 - Electronic journals |
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Page 1
... inches diameter , and square end Spar Analyzer , mounted on 30 - inch triangular bar , with deep convergent systems , & c . , as now making for the McGill PROJECTING POLARISCOPES of highest quality , with Sleeman- Delezenne Polarizers ...
... inches diameter , and square end Spar Analyzer , mounted on 30 - inch triangular bar , with deep convergent systems , & c . , as now making for the McGill PROJECTING POLARISCOPES of highest quality , with Sleeman- Delezenne Polarizers ...
Page 13
... inches long and four inches across , cut from a clear colourless rock - crystal , in which are embedded numerous fragments about the size of a large pea , presenting the exact appearance of club - moss . Agate is frequently found with ...
... inches long and four inches across , cut from a clear colourless rock - crystal , in which are embedded numerous fragments about the size of a large pea , presenting the exact appearance of club - moss . Agate is frequently found with ...
Page 15
... inches , or only o'7 inch in excess of the mean for the whole period . This result is almost entirely due to an excess in the grazing or western districts , amounting to 15 inch , while in the wheat - producing or eastern districts the ...
... inches , or only o'7 inch in excess of the mean for the whole period . This result is almost entirely due to an excess in the grazing or western districts , amounting to 15 inch , while in the wheat - producing or eastern districts the ...
Page 18
... inch ) we hear now that the University of Chicago are about to have the largest and most powerful telescope in ... inches and will be made by Messrs . Alvan Clark , of Cambridge , Mass . THE ATMOSPHERES OF PLANETS . - Of all the ...
... inch ) we hear now that the University of Chicago are about to have the largest and most powerful telescope in ... inches and will be made by Messrs . Alvan Clark , of Cambridge , Mass . THE ATMOSPHERES OF PLANETS . - Of all the ...
Page 19
... inches and 47.5 inches , with strokes of 65'1 and 96 inches respectively . Only the body of each cylinder is jacketed , the steam being supplied direct from the boiler at a pressure of 49lbs . per square inch above atmosphere ...
... inches and 47.5 inches , with strokes of 65'1 and 96 inches respectively . Only the body of each cylinder is jacketed , the steam being supplied direct from the boiler at a pressure of 49lbs . per square inch above atmosphere ...
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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
Popular passages
Page 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.
Page 145 - FELKIN, HM— Technical Education in a Saxon Town. Published for the City and Guilds of London Institute for the Advancement of Technical Education.
Page 111 - I. By Sir W. THOMSON, LL.D., DCL, FRS, Professor of Natural Philosophy in the University of Glasgow...
Page 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....
Page 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.
Page 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...
Page 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.
Page 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...
Page 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.
Page 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.