into a trough and after being cut up into sizes are stacked into a pile sharp projecting pegs which tear the fibers of the thence passes into what is called the millboard ma- with a wire mat and an iron plate alternately inter- chine. A roller revolves in posed between each sheet of uralite, to… … toward the hotter end—120 deg. C.—-an operation also deliver it onto a large col- OF URALITE. lasting 24 hours. The second stoving accomplished, lecting roller at the end of the sheets are transferred to the cooler end of the the machine. The uralite sheeting on the collector material to pieces…
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