Sle-193
- Accelerated Polishing Machine, IS : 2386 (P-IV),BS 812-114
- Consists of a road wheel having a flat periphery, and about its own axis at a speed of 320 to 325 rev/min. Rubber tyred wheel of 20 cms dia and 5 cms breadth to bear on the stone surface of the road wheel with a total load of 40 kg.