The London, Edinburgh and Dublin Philosophical Magazine and Journal of ScienceTaylor & Francis, 1904 - English periodicals |
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Results 1-5 of 100
Page 1
... plane grating G G normally . This grating may be imagined to be made up of a series of narrow reflecting parallel strips A1 , A2 , & c . , separated by intervals which reflect no light . A lens SS ' having its focus at F receives the ...
... plane grating G G normally . This grating may be imagined to be made up of a series of narrow reflecting parallel strips A1 , A2 , & c . , separated by intervals which reflect no light . A lens SS ' having its focus at F receives the ...
Page 4
... plane of the focussing - lens so that the optical dis- tances of B1 and A , and of B , and A , to the focus are the same , the impulses starting from points between B and B. may interfere with those starting from points between A , and ...
... plane of the focussing - lens so that the optical dis- tances of B1 and A , and of B , and A , to the focus are the same , the impulses starting from points between B and B. may interfere with those starting from points between A , and ...
Page 6
... plane HS , the position of which may be calculated by the ordinary law of re- fraction , substituting the group velocity for the wave velocity . But on HS the impulsive motion is not uniform , but alters periodically from the original ...
... plane HS , the position of which may be calculated by the ordinary law of re- fraction , substituting the group velocity for the wave velocity . But on HS the impulsive motion is not uniform , but alters periodically from the original ...
Page 15
... plane , whose base is 124 miles , and angle of elevation 1 ° 31 ′ 28 ′′ . Beyond these ranges lies the Tibetan plateau , estimated to be on an average three miles high and 400 miles across . To facilitate calculation I suppose the ...
... plane , whose base is 124 miles , and angle of elevation 1 ° 31 ′ 28 ′′ . Beyond these ranges lies the Tibetan plateau , estimated to be on an average three miles high and 400 miles across . To facilitate calculation I suppose the ...
Page 16
... plane having an angle of 24 ° 31 ′ 5 ′′ . Major Burrard has calculated by the method of compart- ments the ... planes . This is so evident that , if one desired to be very particular , one might say literally that the Himalaya of to ...
... plane having an angle of 24 ° 31 ′ 5 ′′ . Major Burrard has calculated by the method of compart- ments the ... planes . This is so evident that , if one desired to be very particular , one might say literally that the Himalaya of to ...
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absorption æther aggregate Aleph alternating current ampere angle anode antenna apparatus arrangement atom basalt calculated canal rays cardinal number cathode rays cell cent charge colours conductivity connexion constant corpuscles corresponding curve cylinder Dattenberg deflexion density diameter direct current direction distance doublet electric electrodes electrometer emanation emission energy equal equation excited activity experiments galvanometer gases given glass heating effect hydrogen increase ionization ions isostacy J. J. Thomson length light liquid magnetic maximum means measured mercury mercury vapour metal method molecules negative number of corpuscles observed obtained ordinal oscillations paper particles Phil plane plate platinum polarization position potential pressure produced Prof radiation radioactivity radium radium bromide reflecting-power resistance ring rotation selenide selenium shown surface temperature theory thickness tube velocity vibration volts wave-length waves wire