A punched card is affixed to the plug board. Written on dymo label is, "MONTHLY STATEMENT SET SWITH NO 1 ON HAMMERLOCK 20 AND 23 ONLY HAMMERSPLIT A-34 N7-9-10" and "LEDGER X SET SWITCH NO 2 ON HAMMER SPLIT A 34 N-7-8-9-10 HAMMERLOCK A 20-23 THRU 344".
