Date: 12/31/1969 Views: 5764
Date: 12/19/2006 Views: 4304
Date: 06/12/2007 Views: 5372
Date: 08/23/2023 Views: 838192
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.