On the Extensometer Whose Magnifier is a Zollner Suspension Type Tiltmeter, and the Observation of the Earth's Strains by Means of the Instruments
In order to observe the ground-strain due to the tidegenerating force of the earth, it is necessary to record measurable the linearstrains, which are as large as 10-10. For that purpose, it should not onlymake longer the base line on the ground, but also magnify the relative displacementof the both...
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Format: | Article |
Language: | English |
Published: |
Istituto Nazionale di Geofisica e Vulcanologia (INGV)
1965-06-01
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Series: | Annals of Geophysics |
Online Access: | http://www.annalsofgeophysics.eu/index.php/annals/article/view/5505 |