Nature, Količina 54Sir Norman Lockyer Macmillan Journals Limited, 1896 |
Iz vsebine knjige
Zadetki 1–3 od 85
Stran 37
... object is to effect a very rapid production of copies adapted for use as illustrated supple- ments , newspapers or magazines , or for other purposes where a large number of copies of the same picture , design , or other objects are ...
... object is to effect a very rapid production of copies adapted for use as illustrated supple- ments , newspapers or magazines , or for other purposes where a large number of copies of the same picture , design , or other objects are ...
Stran 54
... object appeared to be not merely as far off as H , but a long way behind it . Further , if the ray o ' is darkened instead of o ' there ought to be no illusion - he should say the object appears much nearer than H ( i.e. still at o ...
... object appeared to be not merely as far off as H , but a long way behind it . Further , if the ray o ' is darkened instead of o ' there ought to be no illusion - he should say the object appears much nearer than H ( i.e. still at o ...
Stran 452
... object on the fluorescent screen , and noting the distance of the tube from the object . But another difficulty has now to be considered . Suppose we wish to try to photograph the heart . The patient must be placed on his face so that ...
... object on the fluorescent screen , and noting the distance of the tube from the object . But another difficulty has now to be considered . Suppose we wish to try to photograph the heart . The patient must be placed on his face so that ...
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Academy acid alloys alternating current aluminium Amphipoda animals apparatus appears astronomical birds British carbon cells character chemical chemistry chromosphere College colour Committee connection contains Council Crustacea described effect electric engineering exhibited expedition experiments fact Geological give given illustrated important increase Institution interesting investigation J. J. Thomson Joseph Lister June kathode laboratory large number larvæ light London Lord Kelvin magnetic mathematical matter means measures ment metal meteorological method metric system mineral Museum Natural History Nicaragua Canal object observations Observatory obtained paper phosphorescent photographs physical plate present President produced Prof Professor published recent referred remarkable researches Röntgen rays Royal Society schools scientific South South Africa species specimens stars surface temperature theory tion tourmaline tube University University of Glasgow variation velocity volume