1926_Felt__Tarrant_Catalog_Comptometer_Bureau_Armour__Co._Chicago_OM.JPG B-1947 Office with 15 Comptometers ThumbnailsB-1941 tabulatorsB-1947 Office with 15 Comptometers ThumbnailsB-1941 tabulatorsB-1947 Office with 15 Comptometers ThumbnailsB-1941 tabulators
1926 Felt Tarrant Catalog Comptometer Bureau Armour Co. Chicago OM

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