I would like to join Meredith in his praise of the the work of Charles, =
Chris and Brett.  Very thought provoking.
James Allen=20
----- Original Message -----=20
  From: meredith lamb=20
  To: psn-l@.................
  Sent: Wednesday, October 15, 2008 10:02 AM
  Subject: Re: Paper on seismometer pivot systems


  Congratulations to Charles, Chris and Brett for this fine publication! =
 I can readily see many months of work behind it.

  The variety of pivot approaches and the improvements noted therein, =
will likely make this publication the
  most interesting, useful and suggestive of important improvements of =
present working seismometers than has been
  PSN presented at any time in the past.  The "world" of the variety of =
pivots shown should greatly enhance
  a lot of exciting interesting experimentation with them!  It readily =
deserves a "first reader" status, for those either in entry
  or any latter stage of home seismometry building comtemplation.

  Again, many thanks!!!

  Take care, Meredith Lamb


  On Wed, Oct 15, 2008 at 12:33 AM, Charles Patton =
 wrote:

    To the PSN community,
    Please check out
    http://www.myeclectic.info/SeismoPivots/seismopivots.htm
    for the results of a series of discussions between Chris Chapman, =
Brett Nordgren and myself on the  applicability of various pivot systems =
to the construction of seismometers.  Comments are welcome as I view =
this as a work in progress.=20
    The work on this paper got me contemplating the construction of a =
LIGO X-Suspension using 3/4" PVC pipe with Metglas band bearings.  =
Something a bit different.=20
    Regards,
    Charles R Patton










I would like to join Meredith in his =
praise of the=20
the work of Charles, Chris and Brett.  Very thought =
provoking.
James Allen 
----- Original Message ----- 

  From:=20
  meredith lamb 
  
To: psn-l@.............. 
  
Sent: Wednesday, October 15, =
2008 10:02=20
  AM
  
Subject: Re: Paper on =
seismometer pivot=20
  systems
  


  

  
Congratulations to Charles, Chris and Brett for this fine=20
  publication!  I can readily see many months of work behind =
it.
  
 
  
The variety of pivot approaches and the improvements noted =
therein, will=20
  likely make this publication the
  
most interesting, useful and suggestive of important improvements =
of=20
  present working seismometers than has been
  
PSN presented at any time in the past.  The "world" of the =
variety=20
  of pivots shown should greatly enhance
  
a lot of exciting interesting experimentation with them!  It =
readily=20
  deserves a "first reader" status, for those either in entry
  
or any latter stage of home seismometry building =
comtemplation.
  
 
  
Again, many thanks!!!
  
 
  
Take care, Meredith Lamb


  
On Wed, Oct 15, 2008 at 12:33 AM, Charles =
Patton <charles.r.patton@........&g=
t;=20
  wrote:

  
To=20
    the PSN community,
Please check out
http://www.myeclectic.info/SeismoPivots/seismopivots.htm<=
/A>
for=20
    the results of a series of discussions between Chris Chapman, Brett =
Nordgren=20
    and myself on the  applicability of various pivot systems to =
the=20
    construction of seismometers.  Comments are welcome as I view =
this as a=20
    work in progress. 
The work on this paper got me contemplating =
the=20
    construction of a LIGO X-Suspension using 3/4" PVC pipe with Metglas =
band=20
    bearings.  Something a bit different. 
Regards,
Charles R =

    =
Patton