Fun fact: Henry David Thoreau's family was active in the pencil-making business in the 1820..1850 timeframe, and Henry D. made several innovations in the art.

Fun fact: Henry David Thoreau's family was active in the pencil-making business in the 1820..1850 timeframe, and Henry D. made several innovations in the art. https://www.walden.org/what-we-do/library/the-transcendentalists-their-lives-writings/john-thoreau-and-co-pencils/ https://www.walden.org/what-we-do/library/the-transcendental... https://www.inventionandtech.com/content/h-d-thoreau-engineer-1 https://www.inventionandtech.com/content/h-d-thoreau-enginee...