A framed, 79 cm by 104 cm photograph of activity at the Pool Test Reactor (PTR) located in Bldg. 145 at CRNL showing the bridge above the pool and the control desk. The person at the desk has been identified as Lynn Larson (nee Vidal) but the person above the pool is unidentified. PTR began operations 29 November 1957; it ceased operation in 1990. This photo was one of several that were displayed for many years in the foyer of Bldg. 145. The second panel (courtesy of AECL) features a publication celebrating the 50th anniversary of the reactor.
