“Did The Bach Really Draw a Cow?” Eruvin 20 b – Hagahot HaBach on Rashi “הא אתמר עלה”
The diagram in the first edition of the Bach (1824) is much more accurate than how it is depicted in later editions, especially the Vilna Shas. The Bach’s picture features a long feeding trough, (an אבוס), whereas Vilna and others show it looking more like something attached to the animal. The Zhitomir Shas compounds the error by leaving out an essential characteristic of the situation under discussion. The new editions of the Talmud get it much better. The one diagram…