From collection National Fisherman Collection
LB2012.15.1147
"This press is the heart of the Topper Northwest process that turns scrap tires into floats or buoys. the press sends steam at 90 pounds imto the polystyrene beads stuffed into the tires, expanding and fusing the flotation agent." [ref. NF 04/no year, p. 12-A] Some question re month.
