Date: 12/31/1969 Views: 3401
Date: 01/26/2014 Views: 21211
Date: 05/26/2005 Views: 6254
Date: 08/23/2023 Views: 704514
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.