FIELD: measurement technology. SUBSTANCE: device has housing made of ferromagnetic material and filled with liquid; upper portion of housing is magnetized in axial direction and circular float possessing positive buoyancy and made of diamagnetic material is placed on surface of liquid; lower plane of float is coated with layer of metal and is made in form of spherical reflecting shield; ultrasonic radiators are placed in glass fabric bush. EFFECT: enhanced efficiency. 1 dwg
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| ULTRASONIC PENDULUM-TYPE PROTRACTOR | 0 |
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SU1679193A1 |
