Exodus 38:15-17

Young's Literal Translation

¹⁵ and at the second side at the gate of the court, on this and on that, [are] hangings, fifteen cubits, their pillars three, and their sockets three;

¹⁶ all the hangings of the court round about [are] of twined linen,

¹⁷ and the sockets for the pillars of brass, the pegs of the pillars and their fillets of silver, and the overlaying of their tops of silver, and all the pillars of the court are filleted with silver.