A Century's Progress 



IN 



Astronomy 



BY 



HECTOR MACPHERSON, JUN. 



MEMBER OF THE SOCIETfi ASTRONOMIQUE DE FRANCE ', 



MEMBER OF THE SOCIETE BEI.GE D'ASTRONOMIE ', 



AUTHOR OF 'ASTRONOMERS OF TO-DAY' 



WILLIAM BLACKWOOD AND SONS 



EDINBURGH AND LONDON 



MCMVI 



All Rights reserved 



