GLOSSARY

The distance between the point where fire is aimed and the mean point of impact of  the fall of shot.  In artillery inaccuracy is mostly the result of inaccurate data to correct for non-standard condi [..]

The function of command dealing with the maintenance of forces in the field, including the direction and control of the services and all measures needed to meet the daily requirements of the troops.   [..]

Army Group RA, in essence an artillery brigade, they were 'army troops' and usually assigned to corps.  The number and type of regiments in an AGRA was not fixed, but typically 5 or 6 mostly [..]

A method of orienting the guns of a troop without using a director.  It involved an angle to a visible distant point.

A type of GAP that was close to the gun but provided 'virtual infinity' to compensate for the movement of the dial sight when the gun traversed or moved back ('bedded-in') during f [..]

A light aircraft (Taylorcraft Auster) piloted by an artillery officer who observed and ranged artillery fire using normal artillery procedures on artillery wireless nets.  They were organised in RAF s [..]

The vertical angle at the gun and usually set on guns' sights that compensated for the difference between the altitude of a battery and its target.  A ballistic angle.

The angle at the target between the line of fire and the observer's view to the target.  Angle T in modern terminology.

The Army Council commanded the British Army.  It comprised elected politicians, the most senior military officers and War Office civil servants.  More detail in 'Higher Organisation'.