Nick Manoloff's Guitar Accompaniment Wheel

I have now ventured into dangerous territory. I've gotten to the point where I don't remember which wheels I've posted and which I haven't! I guess I should make myself a list. I do know, however, that this Nick Manoloff wheel isn't a repeat, so here we go.

Our wheel's copyright date is blurry, but I found pictures of clear ones and it says 1935. Nick Manoloff manufactured slide guitar slide bars, sheet music, lesson books, and things like this wheel. Despite the water stains, this 8-inch specimen is in pretty good shape. Don't expect me to explain how it works, though. I'll leave that up to Nick.