2014年11月7日金曜日

2014年11月06日のつぶやきまとめを更新しました!

Sites - With the assistance of Zeiss and Abbe, Jena-based chemist and glass tech...

Sites - With the assistance of Zeiss and Abbe, Jena-based chemist and glass technologist Otto Schott simultaneously succeeded in producing optical glass using a scientifically substantiated technique. This step was particularly important for the Optical Workshop. The Schott & Gen. glassworks started operations in September 1884. #TBT



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2014年11月5日水曜日