Numbers 4:26-28

Young's Literal Translation

²⁶ and the hangings of the court, and the vail at the opening of the gate of the court which [is] by the tabernacle, and by the altar round about, and their cords, and all the vessels of their service, and all that is made for them -- and they have served.

²⁷ `By the command of Aaron and his sons is all the service of the sons of the Gershonite in all their burden, and in all their service; and ye have laid a charge on them concerning the charge of all their burden.

²⁸ This [is] the service of the families of the sons of the Gershonite in the tent of meeting; and their charge [is] under the hand of Ithamar son of Aaron the priest.