.-Trnks came into the, war almost at the end. They were
. eif dig. lajwr and faster. Many kinds of tanks were in process
make J 1
n.-.nt v-elopment, adapted to various kinds of work. This branch
'-1 service, was becoming constantly vaster, and the cost'of
tiicu. twining it gigantic beyond computation.
"' Unless men can have some security against more war;
stae guarantee against increasing armaments; pledges making
tJ disarmament the provision for tanks and tank personnel
xy be more expensive than ihe former cost of maintaining an
i my was.
Flying machirs, comparatively simple mechanisms in the
1 eginning, had been improved and refined at an enormous ex
penditure of treasure, and yet this branch of service was in its
infancy.
There were planes for observation, photography and map
('.rawing. There were combat planes, and those which were
used for bombing. There would have been planes for the gas
service. -The ships of the air were becoming bigger, they were
arrying more men, more high explosives and more gas bombs.
The ordinary implements of war had been specialized into
costlier and deadlier forms. The shoulder rille was replaced
with machine guns, and individual automatic guns.
Artillery had been built upon a scale Napoleon never
t reamed of. Smaller cannon were constructed by the thous
jjids of thousands; and Big Berthas were essential to efficient
i ombat.
