Trench and camp. ([Admiral, Md.) 1917-1919, 1919-06-26
Do You Know?


seven times as many rounds of ar
Itillery ammunition as were expended
| by the Union Army in the battles OF
lChickamauga and Gettysburg?
That the American artillery IN
France fred more than four times as
Imany rounds OF artillery ammunition
as the Union Army did in the Civil
War?
| That America Is the only country
THAT succeeded in building recupera-
Itors for French designed guns, ex-
cept France herself?
| That between April 6, 1917. and
November IL, 1918, we made as much
Ismokeless powder as Great Britain
and France put together?
That we added nearly three miles
Ito the range of our 6-inch guns by
making streamline shell for them?
That the war developed an optical
glass industry in the United States
which will make us independent OF
Europe in this respect?
That the French invented the tank
and built the first ones?
That America produced two OF the
three airplane fixed machine guns
fused successfully against Germany?
That tracer bullets indicated the
Trajectory by their light and not by
smoke?
That Livens gas projectors were
secret unknown to Germany until the
lighting ended?
That body armor was worn in the
Civil War, and was used in every
lgreat war Of modern times?
That America has developed air
lplanes the equal of or better than
anything in Europe?
That America brought down 491
German planes during the war and
lost only 271?
That the Liberty Engine drew
heavily upon the German Mercedes
lin its design?
| That the LeRhone engines built In
1.-THE United States were superior to
any of these famous engines turned
out at the original Gnome-LeRhOne
factory in France?
That the United States in the war
period built almost as many aviation
engines of other types as she did Lib
erty Engines?
That our gun cameras used In air
plane gunnery practice took pictures
directly upon print paper without the
Intervention of films or plates?
That America developed the first
successful airplane camera using
films?
That America clothed her aviators
lin electrically heated suits?
That America reduced the cost OF
helium gas from $500 per cubic foot
TO 10 cents?
That the first man who ever made
a parachute jump was the first In
spector during the war of all balloons
and parachutes?
That America shipped 533 locomO-
tives to France on their wheels,
packed in baled hay, In the holds OF
vessels?
That America and Great Britain To-
Gated more German guns by automat-
ic sound ranging machines than by
any other method?
That America developed O search
light 10 per cent stronger than any
other in existence and also produced
the first glassless- searchlight with
metal reflector and no front glass?
I That America and Germany In
1900 were the two powers who ex-
pIicitly refused to enter any agree
nent not to use poison gas in war?
i That the Germans sent their best
spy into France in October 1918, to
ind out how the French made mus
ard gas?
That America invented activated
carbon which was much more effec-
i've in absorbing poisonous gas than
he carbOns used by the troops of
i other nations in the war?
4 That America invented as war
measure a new model Of cutting beef?
i That American packing economies
/ saved $55,0OO,0O0 in the shipment
of clothing alone to France and in
/ general Offset, by saving ship space,
he operations of the u boats for sew
,ral months?
That America at the close of the
fighting took stock of war goods on
hand in the largest inventory the
world ever saw?
/ That America in the war developed
a substitute for salvarsan, formerly
produced only in Germany, and which
proved to be better than the German
Iproduct?
4 That salvage in the last nine
months of the war saved 500, OO0,-
1000?
i That the total war construction in
the United States amounted to more
than $1,000, 0O0,0 600 in cost?
That America produced over
LIS, 900 miles of outpost wire for sig