FIELD: warning devices. SUBSTANCE: device has float, levers, tube, light conductor, light source, photodetector, and recorder. Lever and support are pivoted and installed in tank. Float and tube are attached to opposite ends of lever. Tube is bent through at least 90 deg. and hermetically sealed on both ends; it is partially filled with liquid and light conductor is inserted into it on one end. Light conductor is also bent. EFFECT: improved design. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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