Show TOWER TO MARK HISTORIC SPOT work Is soon to begin on the arec tion of a memorial observatory on 1 N L am cam av 1 ill aw 1 he the top of the historic prospect hill merville mass a sum of money A 01 having already been set aside by mayor glines for the carrying out of such a purpose prospect hill Is noted tor for the prominent part it took in the revola war and it was from the top of this hill that the first american flag was thrown to the breeze the observatory is to take the form ol 01 a tower and will closely resemble an old english castle the tower will be forty five feet high the top will be flat and protected to a height or four feet by a parapet with iron gratings in the embrasures and will afford a view that cannot be equaled in boston on a clear day the vision can travel to the blue hills boston light and to the white mountains the wals wails of the tower will be or of rough granite and will be thirty feet in diameter two rooms will be set apart for the exhibiting of historic relics and souvenirs the structure from the second floor will be in shape resting on six col I 1 dumns r |