Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent
1988-11-23
1990-01-23
Cuchlinski, Jr., William A.
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
73311, 73313, G01C 504
Patent
active
048949248
ABSTRACT:
Displacement sensors which are communicated with a stationary reference side are placed at the measuring points of a large structure. Displacement at each measuring point is electrically measured by utilizing the fact that the liquid levels at the stationary reference side and each measuring point are at the same level.
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patent: 4686773 (1987-08-01), Brewer
Honma Sumio
Mizutani Takuo
Nakanishi Takenori
Nishizawa Takao
Cuchlinski Jr. William A.
Ishikawajima Kensa Keisoku Kabushiki Kaisha
Scanlon Patrick R.
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