The spire includes gilded copper balls, decreasing in size towards the top, a traditional style of Morocco.
A large copper ball encircled the mast and rested in a catcher cup of iron when not in use.
It looked like a collection of copper balls balanced on one another.
The sun sank like a dull-glowing copper ball into a lake of fire.
The copper ball spun madly over the fire.
"We're in a boat with a large copper ball in the middle of a body of salt water," said Didactylos.
This copper ball was struck by lightning on 17 July 1600 and fell down.
A polished copper ball had fallen to one side.
The man whose fingerprints were on the polished copper ball at the death house in the marsh, had escaped the explosion.
The first was to embed copper balls in the solder bumps to provide a positive stand-off.