Powers-Samas 45 column - card tabulator on a squar

Powers-Samas 45 column - card tabulator on a square base

Details

Category:
Computing & Data Processing
Object Number:
1972-202
Materials:
aluminium (metal), brass (copper, zinc alloy), glass, iron, plastic (unidentified), steel (metal)
credit:
Prudential Assurance Co. Ltd.
status:
Permanent collection

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