Instrument for Demonstration and Laboratory Experiments on Physics amp;ldquo;Sereli Instrumentamp;rdquo;

摘要

1. Technical Result Reduce of time for equipment check-out for laboratory tests and reduce of cost of instrument. 2. Essence An instrument consists of a support 2 with a trough and shelves, placed in the trough an elastic, transparent, frost-resisting, soldered from both sides pipe 1, which is filled with painted liquid with an air bubble or consists of pipe 1 of the same length fixed vertically in the trough, the pipe being elastic, transparent, with open ends, filled with painted liquid and fastening 3. 3. Field of Application Carrying out demonstration experiments and laboratory studies on mechanics, optics, electrosta¬tics and hydrostatics.