comprises three elements, viz. _materiel_,--guns, carriages, ammunition
and stores; _personnel_,--officers, non-commissioned officers, gunners,
drivers and artificers; and _transport_,--almost invariably horses,
though other animals, and also motor and mechanical transport, are used
under special circumstances. As for the _materiel_, the guns used by
field artillery in almost all countries are quick-firers, throwing
shells of 13 to 18 pounds; details of these will be found in the article
ORDNANCE. The number of guns in a battery varies in different countries
between four and eight; by far the most usual number is six. With the