36 







o £ 



2*o a 



.s 



















tj) 









T3 





OBSERVER. 



O o o 

 ".£ ^3 £3 



013 



c 



Maker of 



Description. 



Screen 



5 £ 







"Si 3 



^ c d 



St! 



Telescope. 





Glass. 



£ 





P3^02 



tf^OQ 



£.S 









H£ 



1 



E. J. Beans 



— 70'.'0 



s 



+ 1.70 



2.5 



Unknown 



Spy-glass 



Smok'd 



15 



2 



Wm. Penn Cresson 



— 1.8 + 5.20 



25 



Jones 



Achromatic 



Red 



30 



3 



Prof. W. R. Johnson 



- 1.8 



+ 5.20 



3.5 



Dollond 



do. 



do. 



100 



4 



George M. Justice 



— 10.0 



+ 2.S6 



2.5 



Jones 



Gregorian 



do. 



80 



5 



E. O. Kendall 



— 10.0 



+ 2.86 



2.5 



Plossl 



Dialytic 



Green 



50 



6 



Joseph Knox 



— 21.0 



— 1.39 



3.5 



Dollond 



Achromatic 



Red 



80 



7 



Isaiah Lukens 



— 9.0 



+ 0.86 



1.8 



Plossl 



Dialytic 



Yellow 



20 



8 



Thomas M'Euen 



+ 0.4 



+ 2.33 



2.5 



Dollond 



Achromatic 



Red 



60 



9 



Prof. Roswell Park 



— 6.5 



+ 1.30 



2.5 



do. 



Gregorian 



do. 



50 



10 



Dr. R. M. Patterson 



— 1.1 



+ 1.20 



5.0 



do. 



Equatorial 



do. 



100 



11 



Wm. H. C. Riggs 



+ 0.4 



+ 2.33 



3.5 



do. 



Achromatic 



do. 



50 



12 



Samuel Sellers 



— 7.5 



+ 0.05 



2.5 



Jones 



do. . 



do. 



40 



13 



Tobias Wagner 



— 10.0 



+ 2.86 



3.5 



Dollond 



do. 



do. 



80 



14 



Sears C. Walker 



— 10.0 



+ 2.86 



5.0 



Tulley 



do. 



do. 



100 



15 



William Young 



+ 21.0 



— 1.39 



7.0 



Holcomb 



Herschelian 



do. 



200 



Phase? Observed, in Mean Times of 



the Places of 



Observati 



on. 





A. 



B. 



C. 



D. 



F. 



H. 



I. 



K. 



L. 



M. 



N. 



O. 



P. 





h m 



h m 



h m 



h m 



h m 



h m 



h m 



/* m 



A in 



h m 



h m 



h m 



h m 



No. 



3 13 



4 30 



4 31 



4 31 



4 31 



4 35 



4 35 



4 35 



4 35 



4 41 



5 45 



5 45 



5 45 



1 







3:9 







s 



28.4 

















2 



s 





-7.0 





s 



27.8 



s 



s 







s 



s 





3 



10.7 





10.5 



s 



15.5 



23.5 



27.5 



29.0 







4.2 



12.2 





4 



7.4 





63 



12.8 





27.3 













11.3 





5 



8.3 







10.9 





28.4 













12.9 





6 



12.8 



























7 









21.7 









36.2 













8 



*3.0 







18.1 





29.1 













13.2 





9 





s 





19.1 





29.1 









s 







s 



10 



7.0 



39.1 





19.1 





30.1 









23.1 





16.1 



19.1 



11 



7.3 



39.2 



2.3 



16.3 





29.4 





36.3 









7.8 





12 



6.0 







16.0 





31.0 













16.0 





13 



6.1 

















s 











14 



5.6 



36.7 





15.6 



23.0 



23.0 



29.5 



37.0 



42.0 





10.0 



13.0 



16.0 



15 









12.9 









3S.9 









15.0 





A. Beginning. Prof. Johnson noticed dark indentations for eight 

 seconds after the first disturbance of the limb. 



B. Arch of faint light, with speck or brush in centre, round the 

 moon's limb beyond the cusps ,* brush or blaze in centre, between 

 cusps, extending outwards about two digits. One cusp broken 

 at end, presenting a bright bead. 



C. Arch of light much increased in brightness; the brush or blaze,, 

 at first in the centre, now extends from cusp to cusp ; radiation 

 outwards, nearly three digits; cusps distant 30° on sun's limb, a 



* Doubtful. 



