ДОПОЛНИТЕЛЬНАЯ КОМПЛЕКТАЦИЯ

Replacement mercury tube* (mounted on support plate) for the Franck-Hertz experiment with mercury (suits 1006794, 1006795, 1023094, 1023095) : Franck-Hertz tube with Hg filling and heating furnace (115 V /50/60 Hz); article ... еще

Secure the ultrasonic transducers to solid test objects with this special coupling gel, for example the sound trough (from U10020). Contents: 250 ml еще