Hello Ed.  I like the idea of checking with my local trade tech school =
and there is one several miles from me.  I also remember seeing entries =
from BoB Barns years ago but not recently.
Thanks much.
James Allen

From: Ed Ianni=20
Sent: Thursday, April 05, 2012 6:38 AM
To: psnlist@.................
Subject: Re: SPREGNETHER HORIZONAL SEISMOMETER

In answer to your question,..... "Do machine shops do this kind of =
work"?.......    I   think they may. I would call a few before I went =
there and try to describe the "part" over the phone. I had an old leaf =
spring from a Spenghnether years ago that I wanted to have duplicated =
and one shop said they could do it but they were too busy at the time. =
There was one PSN member who offered to do it for me but I have not seen =
any "entries" from him in a long time. His name is Bob Barns. You might =
also go to a local vocational high school that has a "machine shop" and =
talk to the instructor........  Hope this helps.   Ed. =20


On 4/5/2012 12:45 AM, JAMES C ALLEN wrote:=20
  I know that this is a long shot, but does anyone have parts for an old =
Spregnether horizontal seismometer?  Specifically the lower wire hinge.  =
The piece is a short wire with a round brass fitting at each end.  I =
tried to make it myself using piano wire and round brass stock.  But =
drilling the round brass stock to insert the wire into has been fraught =
with failure thus far since the very small drill bits I purchased at the =
hobby shop keep breaking,  Also, any advice on drilling an approximately =
..030 diameter hole in round brass stock would also be appreciated.  Do =
machine shops do this kind of work?
  James Allen


-------------------------------------------------------------------------=
-----

  No virus found in this message.
  Checked by AVG - www.avg.com
  Version: 10.0.1410 / Virus Database: 2109/4915 - Release Date: =
04/04/12







Hello Ed.  I like the idea of checking with my local trade =
tech school=20
and there is one several miles from me.  I also remember seeing =
entries=20
from BoB Barns years ago but not recently.
Thanks much.
James Allen


 

From: Ed Ianni 
Sent: Thursday, April 05, 2012 6:38 AM
To: psnlist@.............. 
Subject: Re: SPREGNETHER HORIZONAL =
SEISMOMETER
 
In=20
answer to your question,..... "Do machine shops do this kind of=20
work"?.......    I   think they may. I would =
call a few=20
before I went there and try to describe the "part" over the phone. I had =
an old=20
leaf spring from a Spenghnether years ago that I wanted to have =
duplicated and=20
one shop said they could do it but they were too busy at the time. There =
was one=20
PSN member who offered to do it for me but I have not seen any "entries" =
from=20
him in a long time. His name is Bob Barns. You might also go to a local=20
vocational high school that has a "machine shop" and talk to the=20
instructor........  Hope this helps.   Ed.  =



On=20
4/5/2012 12:45 AM, JAMES C ALLEN wrote:=20

  

  

  
I know that this is a long shot, but does anyone have parts for =
an old=20
  Spregnether horizontal seismometer?  Specifically the lower wire=20
  hinge.  The piece is a short wire with a round brass fitting at =
each=20
  end.  I tried to make it myself using piano wire and round brass=20
  stock.  But drilling the round brass stock to insert the wire =
into has=20
  been fraught with failure thus far since the very small drill bits I =
purchased=20
  at the hobby shop keep breaking,  Also, any advice on drilling an =

  approximately .030 diameter hole in round brass stock would also be=20
  appreciated.  Do machine shops do this kind of work?
  
James Allen
  
  

  
 
  

  


  
No virus found in =
this=20
  message.
Checked by AVG - www.avg.com
Version: 10.0.1410 / Virus =
Database:=20
  2109/4915 - Release Date:=20
04/04/12