The climb is the part of a flight of an aircraft, after take off, consisting of getting an Aircraft to the desired cruising[?] altitude. More generally, the term 'climb' means increasing the altitude.
... doctrine.
Literary and General
Geschichte der deutschen Poesie im Mittelalter (1830)
Handbuch einer allgemeinen Geschichte den Poesie (1832-33)
Die Pädagogik als ...