14. You shall make a [third] covering for the tent of rams' skins tanned red, and a [fourth] covering above that of dolphin or porpoise skins.
15. And you shall make the upright frame for the tabernacle of boards of acacia wood.
16. Ten cubits shall be the length of a board and a cubit and a half shall be the breadth of one board.
17. Make two tenons in each board for dovetailing and fitting together; so shall you do for all the tabernacle boards.
18. And make the boards for the tabernacle: twenty boards for the south side;
19. And you shall make forty silver sockets under the twenty boards, two sockets under each board for its two tenons.
20. And for the north side of the tabernacle there shall be twenty boards