Date: 12/31/1969 Views: 4356
Date: 03/03/2004 Views: 7145
Date: 08/03/2009 Views: 5878
Date: 08/23/2023 Views: 726091
It was determined that a 1/4 in (6.4 mm) thick piece of rigid urethane foam topped with cork was needed to support the front "ledge" of the tank so it wouldn't sag.