IBM 20-5884-3 Flowcharting Template

Description
Flow charts could describe accounting machines as well as computers. This clear plastic rule is colored white around the edges. It has a grid of lines drawn in the background, with twelve symbols cut out. Across the top is a scale for 402-403 type bar spacing. Across the bottom are scales of mark sensing and card column numbers. Along the left is a scale of line spaces. Along the right is a scale of punching positions. The IBM 402 and IBM 403 were IBM accounting machines that sold from the late 1940s into the mid-1960s.
Location
Currently not on view
date made
ca 1960
maker
IBM
Physical Description
plastic (overall material)
Measurements
overall: .1 cm x 19.2 cm x 8.4 cm; 1/32 in x 7 9/16 in x 3 5/16 in
ID Number
1996.3015.04
catalog number
1996.3015.04
nonaccession number
1996.3015
Credit Line
Gift of Joan P. Nichols
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Flowcharting Templates
Data Source
National Museum of American History, Kenneth E. Behring Center

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