Join us as we build an amazing round water slide park deep in the heart of the forest! Designed for fun and built by hand, ...

You have to really like slide rules to build your own, including the necessary artwork. Apparently [Dylan Thinnes] is a big fan, based on this project he began working on a few months back. The res… ...

Gilson Slide Rule Company Description This 10-inch, one-sided aluminum circular slide rule is on a square base coated with plastic. The outer ring of the rule is a C scale divided logarithmically from ...

This yellow aluminum circular slide rule has three clear plastic indicators, one blank. The other indicator on the front is marked in red to denote the C, CI, A, A F, L, F A, LL2, LL1, DS, DT, and M ...