KUMMER Freres K20 High Precision, Double Spindle Lathe with Automatic Cycle. A maker's original copy of the Instruction Manual with Electrical Schematics and Maintenance Instructions.(stored FC6-D1)
Kummer K20 Two-spindle Chucking Lathe. Detailed and Technically Informative Sales and Specification Catalogues. Two editions, THE SECOND IN FULL COLOUR.