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Old Calculator Web Museum Documentation Archive
Friden EC-1113 Service Manual, June, 1969
This is a scan of an original Singer/Friden EC-1113 Service Manual, dated 6/20/1969.
Note that the following pages are missing from the original document: 6-53(Divide Flow Chart) 6-59 (Sigma, [M+] [M-] Flow Chart).
Also note that the following pages were blank, and excluded from the scan: 6-6, 6-8, 6-20, 6-22, 6-36, 6-38, 6-54, 6-60.
Please do not redistribute this document without including the watermark noting its original source.