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Gold Prospecting
Metal Detecting for Gold
"Blow Tubing" to find detectable Gold.
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<blockquote data-quote="sam-u-al" data-source="post: 654644" data-attributes="member: 23555"><p>I have some surgical tube that is 10mm on the inside, which is very flexible (much like spear gun rubber, and the same colour) that I put the remnants of a biro or felt tip pen (after the centre is tossed away)… which gives a solid (and many varied style of) tips can be swapped and fitted in a few seconds as well... I found the cap of a felt tip pen works due to the four holes in the top of the lid, and thus the centre is solid but also creates a board field of powerful air coming out... I hav yet to test this... It rains a lot in Mullumbimby... so testing down the beach could be good...</p><p>Also</p><p>For the underwater version, one could attach a modified turkey baster (with a one way valve fitted in the turkey baster... and a tube connected with a biro tip at the end... so coming from a larger pipe to a small tip means that a lot of force can be exerted at the tip... I will make one as time allows..</p></blockquote><p></p>
[QUOTE="sam-u-al, post: 654644, member: 23555"] I have some surgical tube that is 10mm on the inside, which is very flexible (much like spear gun rubber, and the same colour) that I put the remnants of a biro or felt tip pen (after the centre is tossed away)… which gives a solid (and many varied style of) tips can be swapped and fitted in a few seconds as well... I found the cap of a felt tip pen works due to the four holes in the top of the lid, and thus the centre is solid but also creates a board field of powerful air coming out... I hav yet to test this... It rains a lot in Mullumbimby... so testing down the beach could be good... Also For the underwater version, one could attach a modified turkey baster (with a one way valve fitted in the turkey baster... and a tube connected with a biro tip at the end... so coming from a larger pipe to a small tip means that a lot of force can be exerted at the tip... I will make one as time allows.. [/QUOTE]
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Gold Prospecting
Metal Detecting for Gold
"Blow Tubing" to find detectable Gold.
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