The pulp from the crushers is then transferred to these water filled vats. The wood pulp sinks to the bottom and the rubber and cork rises to the top and is skimmed off. :33

Courtesy of UC Berkeley, Bancroft Library

http://www.oac.cdlib.org/ark:/13030/tf3779n9r0/?order=1

Title:

The pulp from the crushers is then transferred to these water filled vats. The wood pulp sinks to the bottom and the rubber and cork rises to the top and is skimmed off.

Contributing Institution:

UC Berkeley, Bancroft Library