A-A-52036 Complete Document History
Levels, Surveying, Self-Leveling & Tilting

Complete Current Edition:
   REVISION B - LEVELS, SURVEYING, SELF-LEVELI - June 28, 2004

Obsolete Revision Information:
   REVISION A - LEVEL, SURVEYING, SELF-LEVELIN - Sept. 20, 1999
   BASE - LEVELS, SURVEYING, SELF-LEVELI - May 1, 1992