Friedrich Georg Wilhelm Struve. 151 
examination of 120,000 stars, and that it was one individual who 
executed this examination with his own eyes and hands. 
Tefer to the fact. The great work which contains the result of 
his labors, is entitled Htudes d’Astronomie Stellaire, published in 
the year 1847. By a series of calculations, founded on the num- 
Confirmation. In the same year that Struve published his re- 
Searches on this great problem, Sir John Herschel gave also the 
results of his own investigations of the southern hemisphere, and 
Year the 
observato 
mperor Nicholas resolved to erect a great central - 
ry for the empire of Russia; it is honorable to the — 
