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 Gammeter Multigraph No. 4, with ...
These sheets are photographs of pages 548-553 from volume 4 of the fourteenth edition of the Encyclopaedia Britannica., the article on calculating machines. The author is "D.B." (David Baxandall?).
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