McBee Keysort B86791X Punch Card

McBee Keysort B86791X Punch Card

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Usage conditions apply
This paper, unused punch card is tan with a brown stripe across the top and bottom on both sides. All edges have punched holes, thirty-six across the top and bottom, thirty along each side. A mark in the bottom left corner reads: B96791X / Registered / McBEE KEYSORT [written inside an outline of a key] / U S PAT OFF.
This edge punched card was designed to organize the research data for a Smithsonian study of the birds of Isla Grande.
Accession file.
Currently not on view
Object Name
punch card
date made
ca 1960
McBee Company
Physical Description
paper (overall material)
overall: 16.5 cm x 19 cm; 6 1/2 in x 7 15/32 in
ID Number
accession number
catalog number
Credit Line
Gift of David Bridge
See more items in
Medicine and Science: Mathematics
Punch Cards
Data Source
National Museum of American History
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