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On March 11, 1930 twenty-nine men and one woman met in Houston at the University Club to found the Society of Economic Geophysicists.
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Instruments \ Gravity \
Name: |
Vening Meinesz Pendulum Apparatus |
Date: |
1944 |
Item Number: |
87.21.26 |
Donor: |
Lamont-Doherty |
Type: |
(apparatus exposed) |
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Manufacturer:
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Lamont Geological Observatory |
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Description: Black box 47 cm D; 100 cm OAH; an extremely complex apparatus having
2 pendulum swung in opposite phase, plus other sensing pendulums.
An optical system allows pendulum periods to be measured on a
photographicrecord.
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