Iams-Salzberg 1936 RCA PMT; dynode-cascade gain ~10^6; foundational detector-physics tool; modern Hamamatsu R7081 8-inch SK + IceCube.
Iams-Salzberg 1936 RCA PMT; dynode-cascade gain ~10^6; foundational detector-physics tool; modern Hamamatsu R7081 8-inch SK + IceCube.