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While researching lightning protection and grounding in general I stumbled across the following: http://www.physicstoday.org/vol-59/iss-1/p42.html Benjamin Franklin's groundbreaking (pun fully intended) work on the subject. john, N5DWI |
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#2
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John Westerlage wrote:
While researching lightning protection and grounding in general I stumbled across the following: http://www.physicstoday.org/vol-59/iss-1/p42.html Benjamin Franklin's groundbreaking (pun fully intended) work on the subject. john, N5DWI The USA Mint is releasing two silver dollar collectables on Franklin; one, as scientist, the other as statesman. The coins are available in either Silver Proof or uncirculated condition. |
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