Ḥimum mayim be-Shabat
By: me-et Leṿi Yitsḥaḳ Halperin...Dov Tsiyoni...
Contributors: Zioni, Dov, joint author
Series: Pirsume ha-Makhon ha-madaʻi tekhnologi li-veʻayot halakhah : -- sidrah 1, Shabat, sefer 1
Publisher: ha-Makhon ha-madaʻi tekhnologi li-veʻayot halakhah
Published: 1974
Place of publication: Jerusalem
Language: heb
Number of pages: 144
Subjects: Electric apparatus and appliances (Jewish law)
Notes: Added t.p.: Heating of water on Shabat.

Summary in English.