I think it mean that he face a tough challenge and it make his life worse like what Isannah said to him. Based on the words "an earth of brass", it mean that he had a bad experience.
It's a reference to the Book of Deuteronomy in The Bible, Chapter 28, verse 23, which tells of the curses (punishments) you receive for disobedience. Johnny disobeyed his master, Mr. Lapham, and is beginning to see how many ways he will pay for it.
"And thy heaven that is over thy head shall be brass, and the earth that is under thee shall be iron."
No. Brass is manmade.
Alloys that contain only copper and zinc are usually called "brass"; there are also some alloys that contain one or more other metals in addition to copper and zinc, and these usually have another name.
Most drawing pins looked hike brass. Brass is not magnetic? Why do you think drawing pins are attracted to a magnetic?
Brass have 28% level of Electrical Conductivity.
Brass is a nonferrous metal. It has no iron in it.
because they are made of brass
Because they're made of brass.
A Brass Band
Simply called a (brass) mouthpiece.
An alloy of copper and zinc is called brass. Tin or aluminum can be added to brass to increase its resistance to corrosion. (see related link for types of brass)
Brass is a homogeneous mixture called an alloy.
They are called valves.
Because of the brass buttons on their dress uniforms.
brazier
keys
brass
Bronze and brass are copper alloys, not salts.