Prvomajska ALG-100 and Macmon M100 Miller Universal Precision (Deckel) Type (also covers the Prvomajska 100B, 100C, 100E etc). The Prvomajska ALG-100 and Macmon M100 were identical machines - just branded differently (also found badged as the Macmon AG Dubendorf Switzerland). A comprehensive Operating and Maintenance Manual together with some useful sectional drawings and three copies of the detailed and well-illustrated Sales, Specification and Accessories Catalogues.