IBM 601 Reference Manual

I B M C U S T O M E R E N G I N E E R I N G
P R E V E N T I V E
MAINTENANCE
R E F E R E N C E
M A N U A L
Electric Multiplier
Type 601
CONTENTS
Page
. . . . . . . . . . . . . . . . . . . . . . .
CARD FEED U N I T . 2
PUNCH UNIT
. . . . . . . . . . . . . . . . . . . . .
3
COUNTERS . . . . . . . . . . . . . . . . . . . . . . . . . .
3
MULTIPLYING AND COLUMN SHIFT PLATES
. . . . . . . .
5
BASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
TESTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Copyright 1949
INTERNATIONAL BUSINESS MACHINES CORPORATION
New York, New York
Printed in U.S.A.
Form 22-5750-0