The gold machine is an asset to the game later on. The Scientist will explain the council of science can make a machine that will generate gold for you. If you accept, then the scientist will periodically come in and ask for one of two things:
- Workers. If you accept, you lose 4 citizens, but it decreases the time required for the machine.
- Gold. If you accept you lose 100 gold, but it decreases the time required for the machine.