Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Hitachi Ltd
Original Assignee
Hitachi Ltd
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Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP7786177ApriorityCriticalpatent/JPS5413369A/en
Publication of JPS5413369ApublicationCriticalpatent/JPS5413369A/en
PURPOSE: To accomplish the measurement of the horizontality of a wide flat place in a highly accurate and easy manner by filling a point to be measured with water so that the instant when a measuring element contacts with the water is electrically caught.
COPYRIGHT: (C)1979,JPO&Japio
JP7786177A1977-07-011977-07-01Measurement of horizontality
PendingJPS5413369A
(en)