If you dona#39;t have any around the house now or your last yeara#39;s model Is worn down, why dona#39;t you build Jour own? ... Designed by Dr. Walter Grey Walter the distinguished English neurophys- lologist, the Electric Model of the Nerve can be ... computers from scratch a gives you all the parts and know-how with wiring diagrams and stop-by-step instructions. When you ... storage, gates, flip Mops, adding, subtracting, multiplying and applications of Boolean Algebra to circuit design. Youanbsp;...