I know I promised not to put too many Tweetsie photos on here, but the sun was so low and the lighting so dramatic, that I had take a few shots. This showed off the real "graphite" smokebox color so well I had to include it. The engineer told me it had been just applied, and was the "real" graphite, not paint. A mixture of oil and graphite slathered on bare metal and allowed to cook on the hot smokebox leaves a coating that will withstand almost anything. No wonder steam locomotives always smell so good.