What did Nobel invent in his life?

Gas meter, liquid meter and improved liquid pressure gauge, etc.

Nobel invented many things. TNT is famous for its gunpowder, but it was used in war. Moreover, Nobel also made experiments on gas meters, liquid meters and improved liquid manometers, electric lamp parts, synthetic rubber, batteries, improved records, telephones and rayon, and tried to synthesize precious stones.

Nobel is a Swedish chemist, engineer and inventor. He owned 355 patented inventions in his life. Nobel was born in Stockholm and 184 1 entered the local primary school. He studies hard and his grades are often among the best.