. . . . . . . "ZLS LaCoste and Romberg S83 gravity meter" . "ZLS LaCoste and Romberg S83 gravity meter"@en . . "A gravity meter modified by the Zero Length Spring (ZLS) corporation for shipborne and aircraft use, designed to measure the gravitational field."@en . "accepted"@en . . . "SDN:L22::TOOL1273" . "LaCoste and Romberg S83 gravity meter modified by Zero Length Spring corporation"@en . . . . .