Aus dem Arbeitsfeld der Hollerith-Lochkarte
Berlin: DeHoMag, 1937. [28]pp. Text illustrations. Original printed wrappers. More
Berlin: DeHoMag, 1937. [28]pp. Text illustrations. Original printed wrappers. More
Berlin: DeHoMag, 1937. 20pp. Text illustrations. Original printed wrappers. On using Hollerith punch cards to calculate gross wages. More
Berlin: DeHoMag, 1938. 50, [2]pp. Reproduced from typescript. Text illustrations. Original printed wrappers, slightly dust-soiled. On DeHoMag's Type 1 computing punch. More
Berlin: DeHoMag, 1939. 37pp. Reproduced from typescript. Text illustrations. Original printed wrappers. On the Hollerith Type II computing punch. More
Berlin: DeHoMag, 1939. 39pp. Text illustrations. Original printed wrappers. On the Hollerith control apparatus and its use. More
Berlin: DeHoMag, 1937. 16pp. Text illustrations. On the basics of the Hollerith punched-card process. More
Berlin: DeHoMag, 1939. 19pp. Text illustrations. Original printed wrappers, dust-soiled. Minor foxing. More
Berlin: DeHoMag, 1937. 32pp. Reproduced from typescript. Text illustrations. Original printed wrappers. On the Hollerith 3BM Tabulating Machine. More
Berlin: DeHoMag, 1939. 19pp. Text illustrations. Berlin: Deutsche Hollerith Maschinen Gesellschaft, n.d. [1939]. Original printed wrappers. Guidelines for designing Hollerith punch cards. More
Berlin: DeHoMag, 1937. [24]pp., irregularly paginated. Text diagrams. Reproduced from typescript. Original printed wrappers, slighly soiled; pencil marks in margins of a few leaves. Contains practice templates for the training of Hollerith punch-operators and examiners. More
Berlin: DeHoMag, 1938. Schenke, Walther. Das Hollerith-Verfahren in der Werkstoffverwaltung einer Maschinenfabrik. Hollerith Nachrichten, Heft 79 (Jan.-Mar. 1938). 1093-1136pp. Text illustrations. Original printed wrappers. More