15 The angel who talked with me had a gold measuring rod, with which to measure the city and its gates and wall.
Revelation 21:15 Cross References - Goodspeed
Revelation 11:1-2
1 Then I was given a measuring rod like a staff, and I was told, "Rise and measure the temple of God and the altar, and count those who worship there,
2 but leave out the court outside the temple; do not measure that, for it has been given up to the heathen, and for forty-two months they will trample on it.