4 ms·
Agreed. Sphere sells vintage rules though: http://www.sphere.bc.ca/test/sliderule.html http://www.sphere.bc.ca/test/sliderule.html
by ajdecon 16y ago
Agreed. Sphere sells vintage rules though: http://www.sphere.bc.ca/test/sliderule.html http://www.sphere.bc.ca/test/sliderule.html