Some articles on telescope needed, telescope:
... The rotation axis of the main telescope needed to be exactly horizontal ... The line of sight of the telescope needed to be exactly perpendicular to the axis of rotation ... stationary object, lifting and reversing the telescope on its bearings, and again sighting the object ...
Famous quotes containing the words needed and/or telescope:
“Until the day when, your endurance gone, in this world for you without arms, you catch up in yours the first mangy cur you meet, carry it for the time needed for it to love it and you it, then throw it away.”
—Samuel Beckett (19061989)
“The telescope at one end of his beat,
And at the other end the microscope....”
—Robert Frost (18741963)