Show harvard observatory sets Conton nial BOSTON long known as the western hemispheres patrolman of the skies th the t harvard college observatory atory will note the anal ot of its founding tit at a tour four day celebration december 2730 27 SO 30 in connection with the event two science conventions convention are scheduled here first planetarium in the world to photograph the stellar activities of 0 the sky the observatory was completed in 1816 1846 since then it has be come the central cli clearing aring house home for or all astronomical information on this continent beginning in 1830 the observe ob serva tory has photographed huge sections of the sky each night As a result it has a collection of photograph plates numbering more than which enables astronomers astronomer to check the stellar activities which have occurred during any clear clea of uie the past 68 66 hearp re W |