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pulse induction surf P.I.
cristinepotu
209 views
metal detector white surfmaster
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miniseismograf with piezoelectric sensor
cristinepotu
98 views
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EMF first test ( whithout antenna)
cristinepotu
53 views
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earthquake detector vertical detection (P wave)
cristinepotu
115 views
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earthquake detector set to maximum sensivity
cristinepotu
74 views
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earthquake detector home made final
cristinepotu
104 views
detector unda P 10-20 secunde inainte de unda devastatoareS
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gsm apelator alarm
cristinepotu
219 views
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testing vibrations detector
cristinepotu
77 views
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earthquake detector home made
cristinepotu
136 views
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metal detector 5 cm coil.
cristinepotu
285 views
this is a pulse induction metal detector.
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