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Hollerith data machine in an office at the Edgar Allen Steel Co, Sheffield, South Yorkshire, 1963. Artist: Michael Walters
HRM19D71_493

Hollerith data machine in an office at the Edgar A...

Hollerith data machine in an office at the Edgar Allen Steel Co, Sheffield, South Yorkshire, 1963. Artist: Michael Walters
HRM19D71_494

Hollerith data machine in an office at the Edgar A...

Tabulating machines in the punch room in a Sheffield Factory office, 1963. Artist: Michael Walters
HRM19D71_496

Tabulating machines in the punch room in a Sheffie...