Atlas 612 and 618 Instructions and Parts 1.0

Instructions and parts list for Atlas 6-inch metal turning lathes 612 and 618. Condensed sections on operations and controls, adjustments, proper cutting speeds, lubrication, cutting tool bits, setting the tool to the work, finishing and polishing, indexing, reading the gear chart, gear set-up for .0024" carriage feed, threading, and rules for using the threading dial. 4 pages, no date. Appears to be pre-1940.