Weight with equipment
Weight without equipment
9 pounds
21 pounds
High tension power lines
Electronic equipment
150 m
Railroad tracks
tanks and trucks
75 m
Vehicles
50
Barbed wire
30 m
Mortars or Telegraph Wire
25 M
Helmets and so forth
10 meters
When to re declinate
move 25 miles or more
Electrical storm
Dropped
Every 30 days
Reciprocal lay
Section aiming point this instrument Gun one aiming point identified Gun one ready for recheck Gun one 0 Mill mortar laid Refer to 2800 place Stakes