IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The titles Include Ropp's New ...

This full-keyboard non-printing adding machine represents the successful adoption of mechanical aids to computation by American scientists. It was one of several computing devices owned by the ...

To calculate returns Election NightColumbia Broadcasting Co. engaged a human comptometer, Dr. Salo Finkelstein, 35, Polish Jew. As returns came in, he computed them more quickly and quietly than ...

Nothing sends a stock up faster than the news that a company has a glamorous new electronic device—especially if the news is exaggerated. Example: two little-known, money-losing companies.