Finally , after 18 failed attempts , the lens was finished , transported safely across country , and on December 31 , 1887 , was carefully installed in the telescope tube .
One of the huge glass disks broke during shipping , and making a replacement was delayed .
After 18 failed attempts , the lens was finished , transported safely across country , and on December 31 , 1887 , was carefully installed in the telescope tube .
One of the huge glass disks broke during shipping , and making a replacement was delayed .