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JohnM
October 05, 2009 12:50PM
Registered: 14 years ago
Posts: 126
They look like "crows feet", made of zinc and used with an electrolyte to make a voltaic cell. I guess they were used for telegraphs, etc. How'd I do?
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Quiz
davegrandt
October 05, 2009 11:39AM
Re: Quiz
John Cole
October 05, 2009 12:19PM
That's . . .
jorge gigante
October 05, 2009 12:28PM
Re: Quiz
myork
October 05, 2009 12:40PM
Re: Quiz
JohnM
October 05, 2009 12:50PM
Re: Quiz
davegrandt
October 05, 2009 01:01PM
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