Ah, like how the coins act as counterweights, and are pushing the levers which move the glasses down this small pipe here? Although the true mechanisms involved are hidden by the brass... it cannot be steam like the musical instrument over there, or else the glasses would not come out cold to the touch, but it does not sound like more levers either... hm, perhaps you could help me remove the panels and we can get a closer look?

[Still, he's fascinated. And it's clear that not knowing just how this thing works detail by detail is eating at him. Even Harry would know that the Leonardo written about in history books always questioned, always wanted to know more.]

... no, the name is not familiar to me. Who is Newton?

[Yet another mystery to solve. His light blue eyes turn to Harry, curiously.]