John Stevens high-precision miniature lathe. 50 mm centre height and about 100 mm between centres. This is a unique lathe, built as a one-off by the renowned builder of small milling machines, John Stevens. Complete with two powered vertical milling and drilling attachments, 3-jaw ring-scroll precision 3-jaw chuck. tailstock chuck and all the small parts are shown in the photographs. Variable-speed DC motors with a single-phase control box. Milling machines by John Stevens can be seen here