NORTH. 



FoUo«"int;. 



l*]-i'L-i.'(Liii^'. 



SIR JOHN HERSCHEL'S DRAWING OF THE GREAT NEBULA ABOUT y] ARGUS 

 as seen with his 24 feet Reflector at Feldhausen, Cape of Good Hope, in the years 1834 to 1837. 



The drawing lias beeu copied from tlic pliite in tlic " Cape Observations." It has been reduced so as to correspond 



in scale witli the plates fronr Mr. Russell's and Dr. Gill's photographs. Sir John HEnsciiEL having observed 



with a Newtonian Eeflector, it has been necessary to reverse his drawing right and left, so as to make it correspond 



witli the photographs. The divisions are not the same as those of the Reticule on Br. Oill'.': pholograpli. 



Direct I'Uolo Engraving Company, 9, Baynsbury Park. 



