1220-01-519-8008 SCALE,GRAPHICAL FIRING Index 5340-01-519-8010 PLATE,MOUNTING

National Stock Number:
1220-01-519-8009

Federal Supply Class:
1220

National Item Identification Number:
015198009

Description:
SCALE,GRAPHICAL FIRING

Detail:
A DEVICE DESIGNED IN THE FORM OF A SLIDE RULE, HAVING ONE OR MORE SCALES OF VARYING RANGES, ON EITHER SURFACE, AND A PLASTIC CURSOR WITH A MATTE TO RECEIVE PENCIL MARKINGS OF RANGE CORRECTION. IT IS USED WITH VARIOUS TYPES OF GROUND AND SKY-SWEEPER WEAPONS TO DETERMINE QUADRANT ELEVATION, ANGLE OF SIGHT, OR DRIFT, AND TO CALCULATE THE TRAJECTORY OF A PROJECTILE IN RELATION TO A TARGET. IT MAY CONTAIN SCALES FOR YARDS TO METERS CONVERSION AND GAGE POINTS WHICH ARE USED IN CONJUNCTION WITH THE CURSOR AND RANGE SCALE TO CONVERT DATA GIVEN IN METERS TO YARDS. SCALES MAY BE IN MILS FOR DETERMINING HIGH ANGLE FIRE, TIME OF FLIGHT, DEFLECTION SHIFT, AND THE LIKE.


Manufacturer Information:
1297252219200US ARMY ARDEC RDECOM


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