Date: 12/31/1969 Views: 3993
Date: 09/02/2009 Views: 5961
Date: 12/31/1969 Views: 4836
Date: 08/23/2023 Views: 769100
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.