Vintage IBM Flowcharting Template, Ruler, in Original Sleeve - $18 (Groton, New York)

Vintage IBM Flowcharting Template, Ruler, in Original Sleeve 1 thumbnail

condition: good

make / manufacturer: IBM

model name / number: GX20-8020-2

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IBM-branded flowchart symbols drafting tool, model GX20-8020-2. Used during the 1970s mainframe computer era, before computer-aided-design and automated flowcharting software became common. Has 26 flowcharting symbols based on ISO and ANSI standards for information processing, four ruler scales in inches, one ruler in centimeters. Comes with its original plastic sleeve, which outlines basic, programming, and systems-related symbols. A nostalgic collectible and great gift for any programmer.

post id: 7918358081

posted: 2026-03-01 10:46

updated: 2026-04-07 11:50

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Vintage IBM Flowcharting Template, Ruler, in Original Sleeve -...

IBM-branded flowchart symbols drafting tool, model GX20-8020-2. Used during the 1970s mainframe computer era, before computer-aided-design and automated flowcharting software became common. Has 26...