HAUSER PIVOT POLISHING. A most useful Explanatory Booklet showing the range of Hauser Pivot Polishers and Accessories (Hauser 191, 212, 232, 241, 244, 306, 309, 430 and 438) and how they work - together with an explanation of the process of pivot polishing. Includes extracts from a range of Hauser publications that show the pivot polishers. Also available is a manual for the Carbide Wheel-Truing Machine Type 244 and manuals for the following Pivot Polishing Machines: Types 241 and 232,   Type 430,   Type 191 and the Type 306