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dandamugsman
 Post subject: What’s the grade?
PostPosted: Sat Aug 08, 2020 3:41 pm 

Joined: Tue Jul 28, 2020 3:33 pm
Posts: 43
Please help me grade these boards. There’s nothing on the back of either board.


Picture 3 Could you tell me if these are copper or brass they came out of a computer.


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File comment: Copper or brass?
E472A380-9EBF-411C-A217-86A08093169D.jpeg
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lostinlodos
 Post subject: Re: What’s the grade?
PostPosted: Sat Aug 08, 2020 4:41 pm 
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Joined: Tue Feb 03, 2015 6:57 pm
Posts: 9768
Location: Low DOS
Normally bronze. But copper brass nickel and gold are also known. Looks bronze to me.

Low telco remove Dallas

Low telco remove Dallas

Unscrew the boards from any metal trays.


Black magic! That’s old skool!

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