Premium Only Content
This video is only available to Rumble Premium subscribers. Subscribe to
enjoy exclusive content and ad-free viewing.
Subscribe on Rumble Now
![024.[L-rod] Experiment 03-05: Measurement of the tunnel and the underground tunnel penetrating it](https://1a-1791.com/video/fww1/d1/s8/1/3/g/o/O/3goOy.qR4e-small-Elrod-Experiment-03-05-Meas.jpg)