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Electro Scientific Industries ESI
Portland OR
Impedance Bridge 290-R
And 840-R 860-R AC DC Generator detectors
All in one booklet
Very clean
1957
Electro Scientific ESI Illum & I/O Module 74828 Revision B X1040367 R7
$249.97
*TC* ESI ELECTRO SCIENTIFIC INDUSTRIES IMPEDANCE BRIDGE 290A (BAL71)
$187.50
ESI ELECTRO SCIENTIFIC Industries Impedance Meter 252
$100.00