Rabbi Yehoshua Yankelewitz discusses Purfirin and Prasinan as breakthrough in understanding how murex can be the original source for Techeiles.
Dye Being Used for Jewish Garments that Simply Aren’t Lishma
Is Boiling Wool with Techeiles Meakev
Dr. Israel Irving Ziderman
Topic: Modern Scientific Discoveries Regarding Tekhelet
Rabbi Chaim Twerski
Topic: Halachic Issues Regarding Bal Tosif with Techeiles
Rabbi Yehoshua Yankelewitz
Topic: The Yerushalmi as a Potential Source to Identify Techeiles
Rabbi Bentzion Halberstam
Topic: Halachic Issues Regarding Techeiles Today
Rabbi Dr. Abraham Twerski ZT”L
Dvar Bracha on Techeiles
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