ILLUSTRATIONS (Continued) 



Figure Page 



11a. Comparative protection provided "by the various systems to 



corrosion dock panels. (Sheet 1 of 3) 2k 



lib. Comparative protection provided "by the various systems to 



corrosion dock panels, (Sheet 2 of 3) 25 



lie. Comparative protection provided "by the various systems to 



corrosion dock panels. (Sheet 3 of 3) 26 



12. Comparative protection provided by the various systems to 



angle iron panels 28 



13a. Concrete Jackets for Steel H Piles 37 



13b. Concrete Jackets for steel sheet piling 37 



lit. Example of galvanic corrosion cell hi 



15. Efficiency vs. operating voltage for full wave selenium 

 rectifiers 



16. Efficiency vs. operating voltage for full wave silicon 



rectifiers 



