I got knowledge of a link to original drawings in higher quality.
All together 7 scans of the Chapman drawings. Maybe you did not know them until now
https://digitaltmuseum.se/011024827516/ritning/media?slide=1
Use the arrows on the right top to go to next drawing
All together 7 scans of the Chapman drawings. Maybe you did not know them until now
https://digitaltmuseum.se/011024827516/ritning/media?slide=1
Use the arrows on the right top to go to next drawing