Pan Pipes
These pipes are used for the drilling in the oil industry. They are coded for size, and the markings remind me of old variable resistors. :)
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Taken on Saturday March 14, 2009
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Posted on Friday October 7, 2016
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5 comments
Don Sutherland said:
Steve D said:
Best wishes ... Steve
Rabbitroundtheworld said:
Jaap van 't Veen said:
Nick Weall said: