Luke 1:11

Then an angel of the Lord appeared to him, standing on the right side of the altar of incense.

Luke 1:19

And the angel answered him, "I am Gabriel, who stands in the presence of God; and I was sent to speak to you, and to bring you this good news.

Luke 1:28

The angel went to her and said, "Hail, O highly favored one, the Lord is with you!"

Luke 2:10

Then the angel said to them, "Do not be afraid, for behold, I bring you good news of great joy which will be to all the people.

Acts 5:19

But during the night an angel of the Lord opened the doors of the prison, and brought them out, and said,

Acts 10:3-4

About the ninth hour of the day he clearly saw in a vision an angel of God who had just come in and said to him, "Cornelius!"

Hebrews 1:14

Are they not all ministering spirits, sent forth to serve for the sake of those who will inherit salvation?

Revelation 8:3-4

Another angel, who had a golden censer, came and stood at the altar. And he was given much incense to offer, with the prayers of all the saints, on the golden altar before the throne.

Revelation 9:13

Then the sixth angel sounded his trumpet, and I heard a voice from the four horns of the golden altar which is before God,

Treasury of Scripture Knowledge

Summary

And there appeared unto him an angel of the Lord standing on the right side of the altar of incense.

Bible References

Appeared

Luke 1:19
And the angel answered him, "I am Gabriel, who stands in the presence of God; and I was sent to speak to you, and to bring you this good news.
Luke 2:10
Then the angel said to them, "Do not be afraid, for behold, I bring you good news of great joy which will be to all the people.
Acts 10:3
About the ninth hour of the day he clearly saw in a vision an angel of God who had just come in and said to him, "Cornelius!"
Hebrews 1:14
Are they not all ministering spirits, sent forth to serve for the sake of those who will inherit salvation?

The altar

Revelation 8:3
Another angel, who had a golden censer, came and stood at the altar. And he was given much incense to offer, with the prayers of all the saints, on the golden altar before the throne.
Revelation 9:13
Then the sixth angel sounded his trumpet, and I heard a voice from the four horns of the golden altar which is before God,