Ball & Ring Apparatus, Economy, Brass, 2 Piece (198-A) Manufacturers & Exporters, Ball & Ring Apparatus, Economy, Brass, 2 Piece (198-A) Supply for Tenders from India
Product Code : HE001
Description: This unit demonstrates the expansion of metal with heat and its contraction when cooled. When a ball or ring on a handle is heated, the ball will not pass through the ring, but when cooled the ball passes through the ring freely.
