Two aiming points will be selected, one toward the front and one toward
the rear. They should be of the type used in actual firing and, for
the purpose of this examination, should be about 2 mils in width, well
defined, of such height as readily to be brought within the field of
view, and about 1500 yards distant. They should be clearly pointed out
to the candidates.
All of the guns of the battery will be placed in the order in battery
and a candidate will be assigned to each.
For all trials the board will assume a situation in the conduct of fire
for adjustment by battery, commencing with the first salvo, that will
require commands involving a shift of the trail for this first trial,
and, for all trials, such deflection and deflection difference settings
and changes of settings of scales, not exceeding the limits prescribed
in paragraph 5 of this order, as may reasonably be expected in service.
When the aiming point is in rear the candidate will be allowed an
assistant who, from a position in front of the axle, signals to a man
at the end of the trail to move it, if necessary, so as to bring the
aiming point within the field of view of the sight. When the aiming
point is in front, an assistant at the end of the trail is allowed.
The candidates being seated on the gunners’ seats, an officer of the
battery commands, for example:
1. Aiming point, the chimney on that white house.
2. Deflection, 440.
3. On No. 2 close 10.
At the last word of command for the deflection each man sets off
the deflection; applies the correction for deflection difference
appropriate for his piece; causes the trail to be shifted until the
sight is directed upon the aiming point; corrects for difference of
level of the wheels; raises or lowers the panoramic sight until the
field of view will include the aiming point; traverses the piece until
the vertical hair is on the aiming point; calls “Ready” and steps clear.
The trial being completed and the men again being seated, the officer
commands for example, in continuance of the assumed situation:
1. Right, 120.
2. On No. 4, close 5.
At the last word of command for the deflection, each man operates the
sight and, if necessary, the trail as before; traverses the piece until
the vertical hair is on the aiming point; calls “Ready” and steps clear.
The third and fourth trial is similarly conducted.
No credits will be given in the following cases:
1. If the sight is incorrectly set for the deflection or deflection
difference.
2. If, when the bubble of the cross level is accurately centered, the
vertical cross hair is found not to be on the aiming point.
3. If, at any time during the trial, the man has operated the elevating
device.
If the piece is found to be correctly laid within the limits
prescribed, credits will be given as follows:
Time in seconds, exactly,
or less than 18 20 21 22 23 24
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