By what means were the apostles delivered from prison?

Answer

"The angel of the Lord by night opened the prison doors, and brought them forth." Acts 5: 19.

To whom did this promised seed refer?
What distinct purpose did Christ have in giving Himself for the church?
Concerning what subject ought we to be informed?
When did the stars fall, as here predicted?
What is said of those embraced in the first resurrection?
What will be the fifth plague?
With what should our prayers be mingled?

Questions & Answers are from the book Bible Readings for the Home Circle