Date: 12/31/1969 Views: 4558
Date: 05/15/2009 Views: 6224
Date: 02/12/2004 Views: 5348
Date: 08/23/2023 Views: 817102
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.