tefillah ritualWe're still mapping where this idea was first discussed. Key passages and related ideas below.
Klaf and Dyo (Parchment and Ink for Holy Writing)
What kosher parchment and ink are made of — and why a faded letter invalidates the whole scroll.
What kosher parchment and ink are made of — and why a faded letter invalidates the whole scroll.
Key passages(3)
Shulchan Arukh, Orach Chayim :: klaf-dyo :: 32:1-2↗curated_attribution
Shulchan Arukh, Orach Chayim · Joseph Karo · 1563 CE
High
Mishnah Berurah :: klaf-dyo :: 32:3-4↗curated_attribution
Mishnah Berurah · Israel Meir Kagan (Chafetz Chaim) · 1875 CE
High
Curated Attribution (metadata) :: klaf-dyo :: 1:2-3↗curated_attribution
High