Exodus 26:34

And give the vail upon the ark of the testimony in the holy of holies.

Exodus 25:21

And give the cover upon the ark from on high; and to the ark thou shalt give the testimony which I shall give to thee.

Exodus 40:20

And he will take and give the testimony to the ark, and will put the poles upon the ark and will give the cover upon the ark from above.

Hebrews 9:5

And above it the cherubs of glory overshadowing the propitiatory; of which it is not now to speak in turn.

Treasury of Scripture Knowledge

Summary

And thou shalt put the mercy seat upon the ark of the testimony in the most holy place.

General references

Bible References

Put the mercy seat

Exodus 25:21
And give the cover upon the ark from on high; and to the ark thou shalt give the testimony which I shall give to thee.
Exodus 40:20
And he will take and give the testimony to the ark, and will put the poles upon the ark and will give the cover upon the ark from above.
Hebrews 9:5
And above it the cherubs of glory overshadowing the propitiatory; of which it is not now to speak in turn.

General references

Exodus 40:3
And put there the ark of the testimony, and cover over the ark with the vail.
Mark 15:38
And the veil of the temple was split in two from above to below.