Date: 12/31/1969 Views: 5649
Date: 12/28/2006 Views: 4483
Date: 09/16/2007 Views: 4516
Date: 08/23/2023 Views: 704571
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.