T.O. 33B-1-1
Figure 1-9a.
Establishing a Field Indicator Reference Standard
1.6.14
Checking the In Use Field Indicators. (See Figure 1-9b.)
a.
Place a small bar magnet (approximately 1 by 1/2 inch) vertically near the bottom of an 8 1/2- by 11-
inch sheet of paper and trace around the magnet with a marker. (It does not matter which pole of the
magnet is up.)
b.
Place the field indicator reference standard on a sheet of paper with the bottom of the indicator above
and in line with one pole of the magnet.
Change 3
1-50.1/(1-50.2 Blank)
