326 THE ELECTRIC TELEGRAPH. 



6. Copper Silver 0-152 



Silver Platinum 0-620 



Copper Platinum 0'771 



IV. In caustic potash 1 part, water 6 parts. 



7. Zinc Iron 1'003 



Iron Silver 0-201 



Zinc Silver 1-198 



8. Zinc Antimony 0*541 



Antimony Platinum 0-709 



Zinc Platinum , 1'257 



Y. In carbonate of soda water concentrated solution. 



9. Zinc Iron 0-832 



Iron Copper 0-072 



Zinc Copper 0-909 



lO.Zinc Tin.... 0*235 



Tin Platinum 0-842 



Zinc Platinum 1-078 



VI. In chloride of soda water concentrated solution. 



11. Zinc (amalgamated) Iron 0-476 



Iron Copper O'i60 



Zinc (amalgamated) Copper 0-743 



12. Zinc Copper 0*672 



Copper Platinum 0*673 



Zinc Platinum 1-346 



VII. In bromide of potassium 1 part, water 6 parts. 



13. Zinc Copper 0-650 



Copper Platinum 0-452 



Zinc Platinum 1-102 



14. Zinc Iron 0*280 



Iron Silver 0*439 



Zinc Silver 0-726 



VIII. In iodide of potassium 1 part, water 4 parts. 



15. Zinc Iron 0*447 



Iron Platinum 0*427 



Zinc Platinum 0*864 



16. Zinc Tin 0-439 



Tin Copper 0-051 



Zinc Copper 0'499 



