Question

What convinced charley that he had come out on the third level at grand Central station and not an the second level?

Answer 1

Charley goes down the steps to the first level. Then he walkks down the second level.The suburban train leaves from there. Then he finds himself on the third level. He was convinced that he had reached the third level at Grand Central Station. He found it a different world of gas, lights, brass spittoons, derby hats, beards,side bums and fancy moustaches