Hello, Don & Sabahattin, While I read both messages you both wrote, I wonder if you have ever seen a scientific book in Braille where it shows symbols used to represent chemical names with atom/weight numbers. Just curious. Smile.
Todd
Hello, Don & Sabahattin, While I read both messages you both wrote, I wonder if you have ever seen a scientific book in Braille where it shows symbols used to represent chemical names with atom/weight numbers. Just curious. Smile.
Todd