Parashas Vayakhel · Passuk 38:8
Source Citation: Magen Avraham, Orach Chaim 147:5
English: Torah Temimah cites the Magen Avraham’s halachic application: although one should not make Torah-scroll coverings from objects made for ordinary use, changing their form into another utensil permits their use; the laver was made from the women’s mirrors.
Halachic application from a classical halachic source cited by Torah Temimah; this is not presented as a Chazal quotation.
The Torah Temimah note concerns changing an object’s form before using it for a Torah-scroll covering.