PMTs

 
       NIMROD consists of 2 kinds of PMTs (1355 and 1924). Both have the same radius, however the 1355 is longer than the 1924. Spec sheets for the 1924 and 1355.

       The 1355 PMTs are no longer in production and were taken from a previous setup at LANL. The 1924 PMTs were new and are still in production.