MB4 278a: Splitting an Eruv Techumin for Half of a Shabbos (412:1); Making an Eruv Techumim on Behalf of a Town - part 1 (413:1)

From Dirshu Mishnah Berurah Yomi by R Zev Smith;R Aaron E. Glatt, MD;R Yitzchak Berkovits;R Ephraim Glatt, Esq..