12 BULLETIN 
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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