George Rumrill operated a company that distributed pottery made by other firms, including Camden & Niloak. From 1932-1937 Red Wing Pottery produced all Rumrill wares, and this bowl is likely by Red Wing in their Alpine Blue glaze. 4 3/4"h x 8"w. George Rumrill operated a company that distributed pottery made by other firms, including Camden & Niloak. From 1932-1937 Red Wing Pottery produced all Rumrill wares, and this bowl is likely by Red Wing in their Alpine Blue glaze. 4 3/4"h x 8"w.