Not on my Ts, but in general I find them interesting and fun to look at. Here is an interesting one on tbay.
Bob Scherzer has a wall full of them. Very interesting to me, too.
Atlas pump, marginal radiator = another year on the road.
Surprised you did not recognize the water pump. Its exactly the same as the one on my 1912 barn fresh touring I purchased in Portland earlier this year. I saw one at Bakersfield this year as well. Up to that point I had never seen one. In the last 3 months I've seen 3, go figure. By the way this '12 is up and running plan on touring it this summer, love the car, hate polishing brass so its a win win for me.
Are you sure its not a meat grinder?
brass car guy;
I don't think the hood was up.
Or I don't recall.
Accessories in general, and especially "performance enhancing" ones, are interesting to everyone interested in T's. At least they should be. Even if you don't use them, they're neat to look at. Sometimes people had decent ideas, but other times they're just weird.