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Around the turn of the 20th century , ammonium chloride was used in aqueous solution as the electrolyte in Leclanché cells that found a commercial use as the " local battery " in subscribers ' telephone installations .
 organization: Leclanché
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Leclanché