Difference between revisions of "Geophone"

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(VM 7.23.20)
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{{Virtual Museum table
 
{{Virtual Museum table
|Taxonomy=IMG2174
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|Taxonomy=IMG2183
 
|Item=Geophone
 
|Item=Geophone
|Serial number=NMI-23
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|Serial number=NMI-32
|Manufacturer=Mandrel Industries
 
 
|Donor=Charlie Klutts
 
|Donor=Charlie Klutts
 
|Location=HGC
 
|Location=HGC
 
}}
 
}}
#23. Double geophone construction by Mandrel Industries. Two part plastic case is secured by knurled screw-on rings at each end. Stainless steel clamp further secures case and contains, at bottom, a threaded stud for coupling attachment. Case is filled with silicone rubber. Plastic case is stamped with name MANDREL INDUSTRIES and Mandrel logo.
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#32. NMI. '"Donut" housing measures 18" across and center assembly holds two geophones.Number 3 stamped in several places on geophone housing and outer ring. No other markings.
  
[[File:GSH_ IMG2174.jpg|300px]]
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[[File:GSH_ IMG2183.jpg|300px]]

Revision as of 10:41, 23 July 2020

Item Geophone
Item code
Description
Manufacturer
Circa
Model
Donor Charlie Klutts
Location HGC
Serial number NMI-32"NMI" can not be assigned to a declared number type with value -32.
Taxonomy IMG2183
  1. 32. NMI. '"Donut" housing measures 18" across and center assembly holds two geophones.Number 3 stamped in several places on geophone housing and outer ring. No other markings.

GSH IMG2183.jpg