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Simcha Blass
Simcha Blass (or Symcha Blass, or Simkha Blass); November 27, 1897 – July 18, 1982; (ヘブライ語:שמחה בלאס)) was an Israeli engineer and inventor. He was a main figure of water development in Israel, initiator, introducer and developer of new drip irrigation systems, inventor of new dripper (with his son Yeshayahu).〔Based on the Hebrew Wiki, the book "Water in srife and action" and "Eliyahoo's Branches" (pages 297-298)〕
==Early life==
Simcha Blass was born in Warsaw, Poland, which was then part of the Russian Empire, to an Orthodox Jewish family. He was active in the Jewish self-defense units organized in Warsaw to defend Jews during the end of World War I. His engineering studies in Warsaw were interrupted by the Polish-Soviet War and completed after that war. During the war, he was recruited to the Polish Army, there he invented for the Polish Air Force, a meteorological appliance, measuring the intensity and direction of winds.〔Based on part 1 (pages 41-67) of the book "Water in strife and action" and "Eliyahoo's Branches" (page 297)〕
Later, he invented, patented and developed an operative wheat planting machine, which was tested in Europe (and even sold there) and in Palestine (1927), but proved uneconomical. The main motivation for this invention was Zionism (i.e. enabling more Jews settle in Palestine). Zionism was the main drive for most of his other activities in adult life.〔Based on part 2 (pages 68-87) of the book "Water in strife and action" and "Eliyahoo's Branches" (page 297)〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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