TM 9-243
USING A TRY SQUARE
1
To check a square joint, place the stock (I) against
a horizontal section and the blade (2) against a
vertical section. Light must not be seen around
blade edge. If light is seen, the work is not square.
USING A SLIDING T-BEVEL SQUARE
2
To check the end of a board, place stock on vertical
edge and extend blade over the end. Light must not
be seen around blade edge. If light is seen, the work
is not square.
1
Loosen locking nut (1) and adjust blade (2) to mea-
sure a desired angle using protractor (3). Tighten
locking nut (1).
2
The angle may now be laid out by extending the
blade across the board with the stock (4) held firmly
against the edge.
13-5