IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This relatively late English-built ...
This stepped drum manual non-printing calculating machine is of English manufacture. It represents an improvement of the arithmometer invented by the Frenchman Charles Xavier Thomas in the 1820s and ...
Im Heft 97 der Zeitschrift Historische Bürowelt vom September 2014 weist nun Valéry Monnier aus Osny (Frankreich) nach, dass die Datierung irrtümlich ist und dass Maschine und Gehäuse nicht zusammen ...
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