Bill Carson stands beside the end cap of the TR system used to test large transducers at pressures of up to 10,000 pounds per square inch. The system is located in the Low-Frequency Facility's calibration section at the Naval Research Laboratory (NRL). Base: Washington State: District Of Columbia (DC) Country: United States Of America (USA)

---

Size: 1860px × 2760px
Photo credit: © NB/ROD / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: