IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In 1881 the English engineer Samuel ...

This relatively late English-built arithmometer represents C. & E. Layton's improvements to the machine originally designed by Samuel Tate. The stepped drum manually operated non-printing calculating ...

MOST of our readers who have anything to do with calculations have heard of the above calculating machine, the invention of M. Thomas de Colmar. A few remarks, therefore, on its construction and ...

AT a well-attended meeting of the Newcomen Society held in the rooms of the Royal Society on February 16, Mr. R. Nilsson gave a paper entitled "The Pascal Arithmometer and Other Means to Solve ...