Technological Innovation in the Second Industrial Revolution

The Second Industrial Revolution was generally defined from 1860 to 1900, during which industrial productivity in Germany and the United States rose in addition to Britain.In this era, technological innovation has progressed in the fields of chemistry, electricity, oil and steel.

For example, the development of the Bessemer converter has made it possible to produce steel quickly and at a low price.In addition, with the spread of electricity, Tesla coils, incandescent bulbs, and alternating current electricity were invented.These technological innovations have led to rapid productivity innovations, resulting in economic changes.

Source:
Second Industrial Revolution - Wikipedia, encyclopedia of all of us.https://ko.wikipedia.org/wiki/%EC%A0%9C2%EC%B0%A8_%EC%82%B0%EC%97%85_%ED%98%81%EB%AA%85.
Second Industrial Revolution - treewiki. https://bing.com/search?q=2%ec%b0%a8+%ec%82%b0%ec%97%85%ed%98%81%eb%aa%85+%ea%b8%b0%ec%88%a0+%ed%98%81%ec%8b%a0 .
[Lee Jong-ho's Post-Pendemic Roadmap] The Second Industrial Revolution was Technology Labor... https://www.worldkorean.net/news/articleView.html?idxno=41299 .
Technological innovation centered on the United States and Germany [2nd Industrial Revolution]: Naver... https://m.blog.naver.com/raniya825/222447190362 .