My main source for this is the one book by Bulliet, and he did not cover those topics that I recall.
But yes, friction is a major issue, and a significant part of the story is the history of bearings, including roller bearings and ball bearings.
My main source for this is the one book by Bulliet, and he did not cover those topics that I recall.
But yes, friction is a major issue, and a significant part of the story is the history of bearings, including roller bearings and ball bearings.