Steam Computation, Polynomial Edition
Constructed by Dr. Piers Plummer and Team (Dr. Doron Swade, Professor Adrian Johnstone and Professor Elizabeth Scott), direct from the Department of Computer Science at Royal Holloway University of London comes this superlative steam driven compute device... Eagle-eyed readers may note the brass bits dropping onto the floor plate of the device (due to the gear-teeth grinding against the opposing gear's cog-teeth). H/T