METHOD AND APPARATUS FOB TREATING

Feb. 1, 1949. N. N. Stephanoff 2,460,546

METHOD AND APPARATUS FOR TREATING- MATERIALS Filed Oct. 1, 1942 7 Sheets-Sheet 1

-14 IS

J

Feb. 1, 1949. N; N. Stephanoff 2,460,546

METHOD AND APPARATUS FOR TREATING MATERIALS Filed Oct. 1, 1942 7 Sheets-Sheet 2

/ ... v /y^-*^~7

S?rrOf?Ar£

Feb. 1, 1949. N. N. Stephanoff 2,460,546

METHOD AND APPARATUS FOR TREATING MATERIALS Filed Oct. 1, 1942' 7 Sheets-Sheet 3

Feb. 1, 1949. N. N. Stephanoff 2,460,546

METHOD AND APPARATUS FOR TREATING MATERIALS Filed Oct. 1, 1942 7 Sheets-Sheet 4

1—14.2