IBM 727 Manual Of Instruction page 94

SELECT RESET START
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FIG U RE 4 . F R O N T V IEW
READY
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FIG U RE 5 . PA N EL B U TTO N S A N D LIG H TS
M A C HIN E REEL
S E N S IN G ARM
M A C HIN E REEL
UPPER M A IN PLATE
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