Jim,
I'd like to have a copy.  Right now I'm collecting as many ideas as I =
can find.  Since I live in a "seismicaly deprived" region (Central NY), =
I'm interested in sensors that are suitable for teleseismic events.
Larry
  ----- Original Message -----=20
  From: Connie and Jim Lehman=20
  To: psn-l@.................
  Sent: Thursday, December 19, 2002 10:48 AM
  Subject: Vertical design/1-sec
  Larry C & others--
     About 10 year ago at James Madison Un. we devised a vertical =
instrument--made mostly from hardware store items--I wrote the design up =
and will be glad to send anyone a copy of construction details.  The =
unit is now in the Moravian College seismic center in Bethlehem PA.
      Write me a note at:
                         J. Lehman  Physics Dept.,
                         James Madison Un.
                          Harrisonburg, VA.
                          22807
Jim,
 
I'd like to have a copy.  Right now I'm =
collecting as=20
many ideas as I can find.  Since I live in a "seismicaly deprived" =
region=20
(Central NY), I'm interested in sensors that are suitable for =
teleseismic=20
events.
 
Larry
  ----- Original Message ----- 
  From:=20
  Connie and=20
  Jim Lehman 
  
  Sent: Thursday, December 19, =
2002 10:48=20
  AM
  Subject: Vertical =
design/1-sec
  
  Larry C &=20
  others--
     About =
10 year ago=20
  at James Madison Un. we devised a vertical instrument--made mostly =
from=20
  hardware store items--I wrote the design up and will be glad to send =
anyone a=20
  copy of construction details.  The unit is now in the Moravian =
College=20
  seismic center in Bethlehem PA.
      =
Write me a=20
  note at:
            &nbs=
p;           =20
  J. Lehman  Physics Dept.,
            &nbs=
p;           =20
  James Madison Un.
            &nbs=
p;            =
;=20
  Harrisonburg, VA.
            &nbs=
p;            =
;=20
  22807