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
Larry C &=20
others--
About 10 =
year ago at=20
James Madison Un. we devised a vertical instrument--made mostly from =
hardware=20
store items--I wrote the design up and will be glad to send anyone a =
copy of=20
construction details. The unit is now in the Moravian College =
seismic=20
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