במדבר, פרק כ״ח, פסוק כ״א

The instructions for the grain offerings that accompany animal sacrifices require absolute precision, extending not just to the amounts of fine flour used, but to the exact method of measurement and the specific Temple vessels involved. When detailing the amount of flour required for each lamb, the command repeats the measurement to establish a practical rule for the Temple service. The flour must be measured out entirely at one time. The priest must use a single measuring vessel that holds exactly a full tenth of an ephah, rather than reaching the required volume by filling a half-tenth vessel twice [תורה תמימה].

This specific requirement reveals an interesting detail about the collection of measuring tools kept in the sanctuary. The emphasis on avoiding the use of two half-tenths proves that a half-tenth measuring vessel did, in fact, exist among the sacred tools. This smaller measure was kept for a distinct, highly specific purpose: the daily grain offering brought by the High Priest. His personal offering consisted of exactly one full tenth of fine flour, but it was divided and offered in two equal parts, with one half brought in the morning and the other half in the evening [תורה תמימה].