Difference between revisions of "Geophone"

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(VM 7.23.20)
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{{Virtual Museum table
 
{{Virtual Museum table
|Taxonomy=IMG2189
+
|Taxonomy=IMG2184
 
|Item=Geophone
 
|Item=Geophone
|Serial number=NMI-38
+
|Serial number=NMI-33
 
|Donor=Charlie Klutts
 
|Donor=Charlie Klutts
 
|Location=HGC
 
|Location=HGC
 
}}
 
}}
#38. NML No permanent magnets. Two coil windings are mounted on the back side of the basic unit Case is brass with white metal liner. Basic unit, shown at right, is all brass. All components except coil windings are attached to rectangular piece in center which pivots at bottom and causes two vertical bars, behind rectangular piece, to move vertically within the wire wound coils. Case has single number 7 stamped above cutaway area. (Unit, at left, is mislabeled #36
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#33
  
[[File:GSH_ IMG2189.jpg|300px]]
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[[File:GSH_ IMG2184.jpg|300px]]

Revision as of 11:02, 23 July 2020

Item Geophone
Item code
Description
Manufacturer
Circa
Model
Donor Charlie Klutts
Location HGC
Serial number NMI-33"NMI" can not be assigned to a declared number type with value -33.
Taxonomy IMG2184
  1. 33

GSH IMG2184.jpg