Complex sentence: Similar to Cramer's design, there were rods that attached the counter hoop to a metal ring below the bowl, but in Stumpffs design there was a second metal ring that was attached to the legs that supported the kettle.
Split into simpler sentences: Similar to Cramer's design, rods attached the counter hoop to a metal ring below the bowl. Unlike Cramer's design, Stumpff added a second metal ring that was attached to the legs supporting the kettle.