Fig. 12
Ultrasonic wave signals in undamaged and damaged elements with photos of the tested beams: a) Trutnowy (#6); b) Koźliny (#5); c) Pruszcz Gdański II (#4); d) and e) Kiezmark (#3)
Fig. 12 | Heritage Science
Ultrasonic wave signals in undamaged and damaged elements with photos of the tested beams: a) Trutnowy (#6); b) Koźliny (#5); c) Pruszcz Gdański II (#4); d) and e) Kiezmark (#3)
