In a message dated 09/12/2008, rlthomasson@......... writes:

I have  that CD but dang if I can find the article with the built-in search  
function.  Do you happen to recall about what month and year it  was?



Hi Bob,
 
    Try Stong, CL The Amateur Scientist, Sci. Am. mag.,  Nov. 1973 pp 124-129 
"The mercury tiltmeter."
    The detector electronics needs a re-design. George  Bush has a good 
updated circuit _ke6pxp@........ (mailto:ke6pxp@........ 
 
    A large professional Hg seismometer designed by  Benoit is described by 
Gile, WW, Geophys. J. Roy. Astro. Soc. vol 36 1974 pp  153-165 "A Mercury 
Pendulum Seismometer"
 
    Regards,
 
    Chris Chapman






In a message dated 09/12/2008, rlthomasson@......... writes:
<=
FONT=20
  style=3D"BACKGROUND-COLOR: transparent" face=3DArial color=3D#000000 size=
=3D2>I have=20
  that CD but dang if I can find the article with the built-in search=20
  function.  Do you happen to recall about what month and year it=20
  was?


Hi Bob,
 
    Try Stong, CL The Amateur Scientist, Sci. Am. m=
ag.,=20
Nov. 1973 pp 124-129 "The mercury tiltmeter."
    The detector electronics needs a re-design. Geo=
rge=20
Bush has a good updated circuit ke6pxp@.......
 
    A large professional Hg seismometer designed by=
=20
Benoit is described by Gile, WW, Geophys. J. Roy. Astro. Soc. vol 36 1974 pp=
=20
153-165 "A Mercury Pendulum Seismometer"
 
    Regards,
 
    Chris Chapman