Exodus 39:35

the ark of the testimony, with its staves, - and the propitiatory;

Exodus 25:17

And thou shalt make a propitiatory, of pure gold, - two cubits and a half, the length thereof, and, a cubit and a half, the breadth thereof,

Hebrews 9:5

But, over-above it, Cherubim of glory overshadowing the propitiatory: - concerning which things, it is not now needful to be speaking, particularly.

Hebrews 9:8

The Holy Spirit making this evident - that, not yet, hath been manifested, the way through the Holy place, so long as the first tent hath a standing.

Treasury of Scripture Knowledge

Summary

The ark of the testimony, and the staves thereof, and the mercy seat,

The mercy seat

Bible References

The mercy seat

Exodus 25:17
And thou shalt make a propitiatory, of pure gold, - two cubits and a half, the length thereof, and, a cubit and a half, the breadth thereof,
Hebrews 9:5
But, over-above it, Cherubim of glory overshadowing the propitiatory: - concerning which things, it is not now needful to be speaking, particularly.