1) Book of drawing paper 2) It holds drawings
Found on
https://www.crosswordclues.com/clue/sketchpad
(from the article `machine tool`) A significant development of the early 1960s was a system known as Sketchpad, which enabled engineers to draw designs on a cathode-ray tube by using ... ...engineer and computer scientist Ivan Sutherland, who began his work in computer graphics at MIT`s Lincoln Laboratory (where Whirlwind and SAGE had ....
Found on
http://www.britannica.com/eb/a-z/s/105
No exact match found.
