... given about it in chapter 3. http://www.hnsa.org/doc/radio/chap1.htm (12 of 15)5/2/2006 16:41:39 CHECK OUT OUR WEBSITE SOME TIME FOR PLENTY OF ARTICES ABOUT SELF DEFENSE, SURVIVAL, ... holes in the zinc can and then submerging the cell in a pail of water for five or ten minutes. This is only an emergency measure, but it may help you out of a tight spot some time. 20 SECONDARY ... has a potential of 200 volts, all you are actually stating is the DIFFERENCE in the potentials of two points. Since all objects have some potential, it is a common practice to designate some...