Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Independence Hall' has mentioned 'Copper' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| The Lukens clock ran consecutively for eight days, "with four copper dials on each side that measured eight feet in diameter and clockworks that ensured sufficient power to strike the four-thousand pound bell made by John Wilbank." | WIKI |