Chapter 12The siren to end the shift couldn’t come fast enough for Edison. The vision in the cavern was the final straw. I need to discuss it with Eira. Gathering his things, Edison made his way to join the line of men waiting to be taken up in the shaft elevator. He was more than ready to breathe fresh air again. It may not be a coal face but hammering at rock or coal is much the same, hard, backbreaking work. Some of the men continued to talk to one another, but the majority stood silently, their gaze fixed at the gate that would enable them to take their ride up to freedom and the outside world. The hiss and whirr of the mechanism stopped as the cage descended once more. The next batch of men filed inside, and Edison moved up in step with the other men. But when the cage next came do