Thousands of people have dis-covered the easiest and quickest way to transfer pc board patternsto copper-clad board is PRESS-N-PEEL by Techniks. Works great with CAD and PCB layouts as well as art...
1/4 lb. of anhydrous ferric chloride. Makes one pint of etch solution, enough to etch 200 square inches of copper-clad board. Can be used with ER-1 or TEK-5.