Date: 12/31/1969 Views: 9485
Date: 04/25/2006 Views: 6139
Date: 12/31/1969 Views: 13238
Date: 08/23/2023 Views: 750482
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.