Difference between revisions of "Geophone"

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{{Virtual Museum table
 
{{Virtual Museum table
|Taxonomy=IMG2158
+
|Taxonomy=IMG2177
 
|Item=Geophone
 
|Item=Geophone
|Serial number=NMI-7
+
|Serial number=NMI-26
 
|Donor=Charlie Klutts
 
|Donor=Charlie Klutts
 
|Location=HGC
 
|Location=HGC
 
}}
 
}}
#7 & #8. NMI. Two units of similar construction but different size. Both units have numbers stamped on brass plug entry: #7 has 3540 on top and #8 has 2530 on bottom. Bottom plates are attached with rivets. Removal of brass plug exposes soldered connections.
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#26. NMI. All brass case and stud. Cap contains molded rubber preformed packing gland. Unique spike has set screw. Numbers 00821 are stamped longitudinally on side of case.
  
[[File:GSH_ IMG2158.jpg|300px]]
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[[File:GSH_ IMG2177.jpg|300px]]

Revision as of 12:03, 23 July 2020

Item Geophone
Item code
Description
Manufacturer
Circa
Model
Donor Charlie Klutts
Location HGC
Serial number NMI-26"NMI" can not be assigned to a declared number type with value -26.
Taxonomy IMG2177
  1. 26. NMI. All brass case and stud. Cap contains molded rubber preformed packing gland. Unique spike has set screw. Numbers 00821 are stamped longitudinally on side of case.

GSH IMG2177.jpg