This is one example of many castles in the medieval time period. There were many parts to a castle. But, it depended on how the castle was built to recognize parts that did and did not appear on the castle built.
Like spray paint, these markers give off volatile organic compounds. Some of the most recently made permanent markers are made from recycled plastic.[citation needed] The permanent marker was invented in 1952 by Sidney Rosenthal.
Dard Hunter cites 1862 as the date of earliest manufacture of tracing paper as a definite commodity for professional use, but the National Archives has a map on beaten tracing paper that dates from the 1820's, see Fig 1.