Vol. XIII Motion sensors on Shabbos July 1, 2015 admin Download links: A is full, b is brochure HALOCHOSCOPE XIII36A.pdf HALOCHOSCOPE XIII36b.pdf
Vol. XVI eruv tavshilin for shul kiddush June 10, 2015 admin Download links: A is full b is brochure HALOCHOSCOPE XVI47b.pdf HALOCHOSCOPE XVI47A.pdf
