Geophone 78

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Item Geophone
Item code
Manufacturer Walker Hall Sears
Donor Charlie Klutts
Location Houston Geoscience Center
Serial number C-3"C" can not be assigned to a declared number type with value -3.
Taxonomy IMG2192

C-3. W ALKER-HALL-SEARS 116 contact hennaphroditic connector. Contacts points are flat and ridged, requiring applied pressure to maintain contact. Half of contacts are oriented in one direction and other half in opposing direction so that mating contacts form a cross. Clamshell construction requires that two connectors be mated on hinged side, pressed together and them secured with double clamps.