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G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
G01V9/002—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00 using fields or radiation detectable only by persons susceptible therefor, e.g. radio-esthesis, dowsing
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Physics & Mathematics
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Life Sciences & Earth Sciences
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General Life Sciences & Earth Sciences
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General Physics & Mathematics
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Geophysics
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A Measuring Device Byusing Mechanical Method
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Fernanzeigevorrichtung fuer selbsttaetige Gasanalysierapparate nach dem Absorptions-verfahren mit dem durch die Tauchglocke periodisch bewegten Zeiger oder Schreibhebel