E 



Meridian Instruments . . 2070, 



Line. • 



Meteoric Streams, Figure of . . 



Orbits 



Meteors . . 



Spectroscopy 



Micrometer for Measuring Pho- 

 tographic Spectra . . 2260, 



for Visual Observations 2260, 



Micouierers 



Jlilkv Way 



Minor Planets . . . . 5900- 



Elements and Ephcme- 



rides 



■ Obsei-vations . . 



Satellites . . 1510, 



Theory and Numerical 



Application 



Mirrors 20-10, 



ilonochromatic Images, Appara- 

 tus for . , 



Month 



Moon 



Atmosphere 



Brightness . . 



Configuration of Surface . . 



Constants and Dimensions 



■ Density 



Distance 



Drawings 



Eclipses 



Influence on Terrestrial 



Phenomena 



■ Maps 



Mass. . 



Observatious for Position . . 



■ Occultation by 



Phases 



Photographs 



Radiation 



Rotation 



Spectroscopy 



Temperature 



— ^ — Theory of . . 



MoTcment of Earth and Equi- 

 noxes, Correction for . . 



Orbital, of three or more 



Bodies . . 



of two Bodies 



Multiple Stars . . . . 7510, 



Multiple Systems, Spectroscopic 



Museums . . . . 



Nebula; 1860, 



Spectroscopy 



Neptune 



Satellites 



Spectrum 



Theory 



Application 



Nomenclature 



(E-136C0J 



and 



6300- 

 1540, 

 6390, 

 Numerical 



30T0 Nutation, Determination of Con- 



0150 stant 3.320 



1080 of the Earth .. 0260,1710 



1130 Objective Grating . . . . 2210 



6650 Prism 2210 



6950 Objectives 20-10 



Observations, Reduction and Rec- 



3100 tification .. .. 30.30-3250 



3100 Observatories . . . . £000, 2010 



2140 Observatory Buildings . . . . 2020 



7900 Occultation, Cah'ulation of . . 0350 



■5990 by the Moon .. .. 4 870 



Oceans of the Earth, Figure of. . 1610 



5900 Optical Matters 2040 



5910 Orbits, Calculation .. 1120,1820 



6540 Character of . . . . 1200 



Correction .. .. .. 1160 



1310 Periodic 1203 



2050 Stellar, from Spectroscopic 



Observations . . . . . . 8320 



2270 Parallax 0220 



9330 Annual, Ci)rrection for . . 0270 



-J80U of Fixed Stars . . . . 7070 



4840 Salar -1030 



4850 Stellar, from Spectroscopic 



4830 Observations 8330 



4820 Pedagogy 0050 



4820 Pendulum Observations.. .. 5100 



4820 Periodicals 0020 



4890 Personal Equations . . . . 3200 



4860 Perturbations, General . . . . 1250 



Special .. .. .. 1510 



4880 Philosophy 000;) 



4890 Photographic Apparatus .. 21a0 



4820 Photographic Plate Holders .. 2120 



4810 Photograi^hs, Celestial, Reduction 



4870 of 3250 



4850 Lunar 4890 



4890 Stellar 7005 



4S50 Spectra .. .. 8J.50 



4830 Solar 43C0 



6810 Photometry 2400 



4850 Piers 20:20 



1400 Planetary Theory .. .. 1250 



Planets 11:30,4780 



0240 Figure 1640 



Orbits 1130 



1200 Spectroscopy .. 6800,6820 



1110 Polarization Apparatus . . . . 2300 



7520 Poles, Movement on the Sur- 



8600 face of the Eartli . . . . 1720 



0060 Precession, Correction for . . 0260 



7800 Determination of Constant 3320 



8200 of the Earth . . 0260, 1710 



6390 Prism Combinations . . . . 2240 



6580 Objective 2210 



6820 Prizes 0020 



Radiometry . . . . . . 2500 



1350 Reflectors and Refractors, Com- 



0070 parison 2040 



