Submitted by
admin on Fri, 12/07/2007 - 00:49.
Most people using the Pencils.com site already know that Henry David Thoreau was a pencil manufacturer in addition to being a famous author and pencil user.
The University of Houston's College of Engineering presents this series about the machines that make our civilization run, and the people whose ingenuity created them.
There are other interesting post's about Thoreau's pencil makeing efforts including: