The "Brantspiegel" (Mirror), called in Hebrew "Sefer HaMareh" (ספר המראה), first published at Basel, was intended as a direct appeal to the Jews of the period to live in social and moral purity.
(2) "Brant" or "Brand" (Burning; that is, Magnifying) was pre-fixed because, as the author states, ordinary mirrors make things appear very small; while this glass was intended to show objects (especially bad qualities) in enlarged forms, so that people would then try to remove them.
[2] Moses ben Ḥanoch, who wrote "Zikron Bayit" (זכרון בית), was Altschul's grandson.
[2] Altschul was often – as early even as 1676, on the very title-page of the Frankfurt edition of his work – mistaken for Ish Yerushalaẏim (a native of Jerusalem).
This error is due to a corruption of the initial letters of his patronymic, א"ש into איש.