The curtain on the left side will also be 22 1/2 feet long, supported by three posts set into three bases."
"For the entrance to the courtyard, make a curtain that is 30 feet long. Fashion it from fine linen, and decorate it with beautiful embroidery in blue, purple, and scarlet yarn. It will be attached to four posts that fit into four bases.
All the posts around the courtyard must be connected by silver rods, using silver hooks. The posts are to be set in solid bronze bases.
So the entire courtyard will be 150 feet long and 75 feet wide, with curtain walls 7 1/2 feet high, made from fine linen. The bases supporting its walls will be made of bronze."
"All the articles used in the work of the Tabernacle, including all the tent pegs used to support the Tabernacle and the courtyard curtains, must be made of bronze."
"Tell the people of Israel to bring you pure olive oil for the lampstand, so it can be kept burning continually.
The lampstand will be placed outside the inner curtain of the Most Holy Place in the Tabernacle. Aaron and his sons will keep the lamps burning in the LORD's presence day and night. This is a permanent law for the people of Israel, and it must be kept by all future generations."
References for Exodus 27:21