Description
This is a description of a pounce wheel, which is a tool used to create copies of paintings or other works that will be finished as oil paintings, engravings, etc. It has 18 teeth per inch, which is a common number for this type of tool.
18 teeth per inch. A pounce wheel is also known as a tracing wheel. Pouncing has been a common technique for centuries, used to create copies of portraits and other works that would be finished as oil paintings, engravings, etc