Trajectory of gun (I), howitzer (II) and mortar (III)
Palabras clave
trajectory,
gun,
howitzer,
mortar,
artillery,
shell,
black-and-white,
black,
white,
picture,
image,
illustration,
plate,
depiction,
drawing,
draft,
design,
figure,
pattern,
plan,
layout,
blueprint,
chart,
project
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