And here's the next major cameo!
For way more Babbage -- and done way better than my little effort -- check out the Signal Boost of the Week which goes to Sidney Padua's amazing webcomic, 2-D Goggles, or The Thrilling Adventures of Lovelace and Babbage! If you've not yet had the pleasure of reading this wonderfully goofy story, start here to read from the very beginning. I've got a crush on her version of Brunel that's as big as his manly sideburns.
I notice that Maelzel seems to have dispensed with the "remote control box" that was part of von Kempelen's presentation. Significant?
Eagle-eye, Kevin! Funny you should mention that...