잡스의 카라이프

증기기관의 역사, 대기압으로 움직이는 엔진이 있다? HISTORIC-ATMOSPHERIC ENGINES Most of the very earliest internal combustion engines of the 17th and 18th centuries can be classified as atmospheric engines. These were large engines with a single piston and cylinder, the cylinder being open on the end. Combustion was initiated in the open cylinder using any of the various fuels that were available. Gunpowder was often..