What is this?

e6br

Tenderfoot
Jan 5, 2019
5
15
Primary Interest:
All Treasure Hunting
ImageUploadedByTreasureNet.com1547127926.945798.jpg
 

This could possibly be an ID plate off of an old power pole.
 

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As SeekerProB said it could be a gauge of some sort...looks live partial circles on the left side.:dontknow:
 

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I think it has to do with measuring water flow in second-feet.
 

Last edited:
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It is a calculation chart or multiplier chart for something.

Read the numbers across from left to right.

The first column is X1, the second column is X2, the third is X3, the fourth is X4.

125 250 375 500
130 260 390 520
140 280 420 560

I can’t really tell much about the left edge. Are there more numbers?
 

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