Shackleford-Gundersen Seismograph Construction,
article from Scientific American
1975
further notes from
Scientific American Article
by C.S.Strong
Shackleford-Gundersen Seismometer
‘
SeismicNet
’
GEOSN (
Bickley Western Australia) link to SG Seismograph construction
image of SG Seismograph
from Larry Cochrane’s web page
Construction notes on my SG Seismograph version
email me
daleh at daleh.id.au
from Larry Cochrane’s web page
