Ring And Ball Gravesand On Stand

Ring And Ball Gravesand On Stand 
Ring And Ball, Gravesand’s, On Stand:Mounted on stand, with ball suspended from adjustable rod but both ball and ring mounted on retort stand through a vertically adjustable collar, with ball suspended above the ring through a chain Ball diameter 25mm

Ring And Ball Gravesand On Stand ALTEC Laboratory Equipments and ALTEC Laboratory Instruments Tenders.