Polymer leads were invented by the Japanese late 50's. Pentel use manga (漫画 whimsical/informal drawings) to write the history of a burnt rice ball being the in

Polymer leads were invented by the Japanese late 50's. Pentel use manga (漫画 whimsical/informal drawings) to write the history of a burnt rice ball being the inspiration: https://pentel.ca/docs/e_manga.pdf https://pentel.ca/docs/e_manga.pdf (page 7 with the title "Pentel's Sharp Pencil Refills"). Previously there were clutch pencils using the historical fired clay and graphite https://www.bl.uk/stories/blogs/posts/the-history-of-the-pencil https://www.bl.uk/stories/blogs/posts/the-history-of-the-pen... As usual Germans claim inventing it first https://www.computerhistory.org/siliconengine/the-european-transistor-invention/ https://www.computerhistory.org/siliconengine/the-european-t... ). Why are there no teutonic Space Pencil jokes?