PSN-L Email List Message

Subject: RE: ebay auction
From: "Doug Crice" dcrice@............
Date: Sat, 27 Mar 2004 09:39:27 -0800

This is a very nice short-period seismometer, probably about 1 Hz natural
frequency, still available from Kinemetrics. Read about it at It (or maybe even three) would be an
excellent addition to any seismic system.

They are called Ranger Seismometers because they were originally developed
for the Ranger missions to the moon.  Before we put people on the moon, we
put these seismometers (in a triaxial configuration) there to look for
"moonquakes". They can be used in any axis by adjusting the screw on top.

Doug Crice
12996 Somerset Drive                phone 1-530-274-4445
Grass Valley,  CA  95945  USA    fax 1-530-274-4446

-----Original Message-----
From: psn-l-request@.............. [mailto:psn-l-request@............... On
Sent: Saturday, March 27, 2004 6:54 AM
To: psn mail
Subject: ebay auction

Hi gang,
    Geology Telemetrics Ranger Seismometer Test Probe 	 Item number: 
3806477434 	ends 4/2


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