Dovetails grooves in the bearing backing can lead to ridges in the surface of the Babbitt when the bearing heats up. The coefficient of expansion for Babbitt is about twice that of steel or iron. The...
This is one of the smallest paintings in the whole of the collection but it is one of my favourites. It is painted by a guy called Petrus Christus who was working in Bruges towards the end of the 15th...