Mitsui Seiki Kogyo Jig Borers and Precision Measuring Instruments, etc 1960 to 1980s a detailed and well-illustrated Sales, Technical Specification and Accessories Catalogue Collection. Covers the Jig Borers Types No.0, No.1C, No.3, No.3A, No.4B, No.5, No.5A, No.6, No.6A, No.7, No.7A and NC controlled Models No.