The Flame thrower was first used in battle.The flame-thrower is a invention that allowed enemies to be nuetralized in large masses and with less structural damage than grenades.
Question: How far could it shoot out a flame?
Answer: Most ranged around a max of 20 yards.
Mobile X-Ray MAchinesThe mobile x-ray machine allowed soldjiers to get quick and easy access to proper medical without large amounts of hassle.
Question: How was the first mobile x-ray machine transported?
Answer: They were put onto the back of cars to be a quick service to soldiers.
Poison gas was first used in battlePoison gas allowed a whole population of soldeiers to be eliminated with no structural damage what so ever.
Question: How was poison gas admitted?
Answer: It was admitted by using tear gas grenades.
Interrupter gearInterrupter gear allowed air pilots to accuratly aim and fire bullets between propeller revolutions to destroy the enemy target more efficiantly.
Question: How many shots can be fired between the revolutions of the propeller per minute?
Answer: It was capable of firing 500 rounds per minute.
Tracer Bullets were first used in battle.Tracer bullets allowed soldiers firing the bullet to see where they are firing in the dark.
Question: Does the tracer bullet have any other functions?
Answer: The bullet was capable of taking down zeppelins due to the flame admitted from the back of the bullet.
Depth ChargesDepth cherges were underwater bombs that would only explode at certain depths to only destroy underwater vessels.
Question: How was the depth charge fired?
Answer: They could be fired by surface vessels by simply catipulting them into the water.
HydrophonesHydrophones allowed U-boats to pick up a reading of the directon and distance of major objects in the water.
Question: How many Hz could it read?
Answer: The origianal hydrophone could only pick up 500Hz.
The tank was first used in battleThe tank allowed an army to safely cross "no mans land" and enemy treches to cause maximum destruction with machine guns attached.
Question: How fast were the first tanks?
Answer: They only went about 3mph.
Aircraft CarriersAircraft carriers was basically an army airforce base that could travel in water. Planes couland even efficiantly land on these moving boats.
Question: How long were the first aircraft carrier?
Answer: They were 542 feet long.
Sanitary NapkinsSanitary napkins allowed soldiers to quickly clean wounds without getting dangerous infections.
Question: How did the napkins prevent infection?
Answer: They killed the bacteria the would may have picked up from ammunition or other things on the battlefield.