Some of you will have thought of this before it occurred to me, but that's why I need a smartphone. It dawned on me only when I was there: this object belongs in WordPlay's Urban Legend Institute. So it's now on extended loan to the ULI.
Here's the machine ensconced in its nice wooden cabinet:
... with the top open:
... and with the central part open too, so you can admire the machinery:
Now for some panoramic shots of the room (thanks, iPhone). If a teletype belongs anywhere in the year 2014, maybe this is it. (Click to enlarge.)
And finally, a view through the shop window from the street. Sleep tight, Lorenz!