use of the bc and ad system became universal in the 15th century.
use of the bc and ad system became universal in the 15th century.
when did use of the bc and ad system become universal?
15th century
the rain-guard presumably originated in the 13th century but did not become universal until the 14th. oakeshott (1960) is aware of one preserved specimen of c. 1250. the feature was ubiquitous throughout the 15th century and into the early 16th century, but they seem to fall out of use later in the 16th century.
rain-guard
bullet::::- – about 200, 40 mounted on mt-lb, some on zil-131 trucks and navy vessels.









































bullet::::- – 4









































bullet::::- – 18









































bullet::::- – 320 towed and more truck-mounted









































bullet::::- – 4 system zur-23-kg-i as part of the "kobra" ad system for the tni-au + 18 type 80 as part of the giant bow ii ad system for the tni-ad









































bullet::::- - 300









































bullet::::- - 150, captured from arab armies over the arab-israeli conflict.









































bullet::::- – 3 zu-23-2mr wróbel ii on imanta and viesturs ships.









































bullet::::- – 57, some mounted on m113 apc's









































bullet::::- – most mounted on light vehicles
zu-23-2