Exodus 26:19

26:19 and you are to make forty silver bases to go under the twenty frames – two bases under the first frame for its two projections, and likewise two bases under the next frame for its two projections;

Exodus 30:16

30:16 You are to receive the atonement money from the Israelites and give it for the service of the tent of meeting. It will be a memorial for the Israelites before the Lord, to make atonement for your lives.”

Exodus 35:24

35:24 Everyone making an offering of silver or bronze brought it as an offering to the Lord, and everyone who had acacia wood for any work of the service brought it.

Exodus 36:24

36:24 He made forty silver bases under the twenty frames – two bases under the first frame for its two projections, and likewise two bases under the next frame for its two projections,