Some plates illustrate movements by particular watchmakers like the equation clock by Berthoud pictured in image 6. Some focus
link on horological tools from those still familiar to a modern watchmaker image 7 to those that may now appear less familiar a machine for experiments on
link the friction of pivots in image 8. Other exploded schematics show all the parts
link of a watch or clock image 9 or specific features like a repeater image 10.