Yes, for that appears the best way of describing my predicament as impossible as it sounds. It is, or maybe was, 1882. Thus, the issue of when I come from.

[ He motions to the machine. Somehow attempting to explain perceived time travel seems less daunting than puzzling out why he vaguely recognizes (and doesn't) the older man. ]

I'm not a scientist, but I do try to keep up-to-date with new inventions. This far exceeds anything I know, and I can't address if such a thing even exists in fiction. That would be my flatmate's realm of expertise, not mine.

[ Watson's the one with dreams of being a writer and constantly ordering new books from Barnes. ]

Oh, forgive my manners. We've been talking this long, and I haven't even given you my name. I'm Sherlock Holmes.