TM 9-243
USING A PLUMB BOB - Continued
NOTE
The following task is not the only use of a
plumb bob.
NOTE
Post hole must be dug and an assistant is
required before starting the task.
6
Hang string and plumb bob so they extend over end
of ruler and the plumb bob is just above the ground
surface.
5
Place a ruler (5) on the top of the post (6) so that it
extends 2 inches beyond an edge.
11-4
