LaCoste & Romberg Model D Gravity Meter with Aliod electrostatic balance. – R.T.Clark Co., Inc. :: Geophysical Equipment
IMPROVEMENT OF OBSERVATION ACCURACY OF THE LACOSTE‐ROMBERG (MODEL D) GRAVITY METER BY SUPPLEMENTARY INSTALLATION OF ELECTRONIC FEEDBACK1 - CASTEN - 1990 - Geophysical Prospecting - Wiley Online Library
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LaCoste and Romberg Gravity model G meter | Australian Society of Exploration Geophysicists