TumblrPics.com
HOME
DMCA
Live
Gallery
Viewer
Catenary
wojtekfus
beinggigantic
reema
jobber5000
fornicator-ad-libitum
The focus of a rolling parabola traces out a catenary, the curve of a hanging chain held by its ends
A catenary arch and the last arch of the trip. (at Arch of St. Louis)
Prev Page
Next Page