WOTAN all-models Grinders Catalogue - 1093-1940s WOTAN all-models Grinders Catalogue 1930s- 1940s that includes the external, internal and surface grinding machines RJ12, RJ17, RJ23, RJ30, RJ33 H15, H16, FH29, V31, RP37, and W26. 8 Pages. Manufacturers: Wotan Models: RJ12 RJ17 RJ23 RJ30 RJ33 H15 H16 FH29 V31 RP37 W36 Contents: Catalog