Acts 7:30

Forty years had passed when there appeared to him, in the Desert of Mount Sinai, an angel in a flame of fire in a bush.

Acts 7:38

He, too, it was who was present at the assembly in the Desert, with the angel who talked to him on Mount Sinai, and with our ancestors, and who received living truths to impart to you.

Galatians 4:24

This story may be taken as an allegory. The women stand for two Covenants. One Covenant, given from Mount Sinai, produces a race of slaves and is represented by Hagar

Treasury of Scripture Knowledge

Summary

For they were departed from Rephidim, and were come to the desert of Sinai, and had pitched in the wilderness; and there Israel camped before the mount.

Bible References

Camped

Acts 7:30
Forty years had passed when there appeared to him, in the Desert of Mount Sinai, an angel in a flame of fire in a bush.
Galatians 4:24
This story may be taken as an allegory. The women stand for two Covenants. One Covenant, given from Mount Sinai, produces a race of slaves and is represented by Hagar