Category:Tabulating machines

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Tabulating machine 
electromechanical machine used to summarise information and perform accounting calculations
Wikipedia
Subclass of Unit record equipment
Authority control
Wikidata
Blue pencil.svg

Subcategories

This category has only the following subcategory.

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Media in category "Tabulating machines"

The following 24 files are in this category, out of 24 total.