12 BITLLETIISr 449, U. S. DEPARTMEXT OP AGRICULTUEE. 



becomes corroded and loses its efficiency. Sodium carbonate or bicar- 

 bonate, with or without the addition of sodium chlorid, are equally 

 effective as the electrolyte of the solution, although to secure the 

 best results the solution during cleaning should be kept at the boiling 

 temperature. The electrolytic method cleans plated or sterling sil- 

 verware without loss of metal, giving, however, a satin finish rather 

 than a burnished appearance, and has the additional advantages of 

 being clean and labor-saving. 



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