Logar 2512 Virtual Slide Rule
You can try the Logar 2512 slide rule manufactured by the Brush Factory of Monor.
The slide and window are movable by dragging with the mouse, but only on the front side.
Further readings
The Gamma/Logar 2503/2512 slide rulee-mail: info at arithmomuseum.com
facebook: arithmomuseum
Design & HTML: Modulit Bt.
(C) www.arithmomuseum.com 2004-2016.