Memoirs of the Imperial Academy, Volume 1, Issue 11913 - Science - 27 pages |
Common terms and phrases
Acad angle of exit Arons-Lummer lamp Baeyer blackening concave grating Crossed Plates crossed with Plate crossing the spectra curves deviation diagram different observers direct current discrepancies among different discriminate displaced distribution of intensities Echelon crossed echelon grating Echelon Plate Intensity echelon spectroscope echelon spectrum Fig examined existence Fabry-Perot air plate faint lines focal length Fürst Galitzin Gale and Lemon galvanometer deflections Gmelin green line Hurter and Driffield indices of refraction instrument interference points investigation Janicki Ladenburg latter lens light Lummer plate Lummer-Gehrcke plate Lunelund measurements are given mercury lines metal Michelson Grating micrometer micrometric measurements Nagaoka and Takamine nearly normal exposure normal region number of ghosts optical orders of spectra parabola photographic plate photometry Phys placed present experiments principal line prism quartz reference line relative intensities resolving power S=log shows slit spectrum lines structure of mercury thermopile thickness Zeiss Planar αλ δλ όλ