ElementBook
An accurate and convenient data depiction in Braille of the continuous order of the Chemical Element System in the form of an Alexander Arrangement of Elements 3D Model Background of Need Concept Overview Model Description Application & Users BetaTest Results |
|
< BACK
AlexanderDESIGN 4851 N. Washtenaw Ave., Chicago, IL 60645 773.271.0318 last update 3/4/18 |