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 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 [..]

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'.

The mechanism used to close and lock a BL breech.  The upward movement through about 90 degrees of the breech mechanism lever swung the breech block though about 90 degrees into the breech ring then r [..]

A barrel manufacturing technique to strengthen a barrel by stressing it.

Widely and incorrectly used to mean 'heavy artillery fire'.  In British practice a barrage had precise meaning, it was a moving or stationary ('standing') belt of fire providing a [..]

A horizontal angle (azimuth) measured clockwise from North.  For artillery purposes this was Grid North unless stated otherwise, eg either Magnetic or True North, and measured in degrees and minutes ( [..]