How Things Work
The official blog of Professor Michael Webber's Fall 2013 UGS Course "How Things Work."
Tuesday, September 17, 2013
Pen (Spring)
The spring works in conjunction with a gear and cog type mechanism to keep the point of the pen extended or retracted.
CBA 4.324
By Lauren Vu
No comments:
Post a Comment
Newer Post
Older Post
Home
View mobile version
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment