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 ...

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 manual, non-printing stepped ...

Are you afraid of big numbers? The billion billion atoms that were used in the production of darmstadtium for instance. Or even the 150 million km separating earth and the sun. Well, for some of you, ...

During his lengthy stay with the armies of Marchall Soult, where he needed to perform a great deal of calculations, Charles-Xavier Thomas de Colmar conceived the idea of the arithmometer. Its uses ...

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 ...

The following article is not just about the shortage of aircraft shelters in russia but also the general discrepancy between the ideals and realities The MiG-31 is one of the most potent aircraft in ...

When London-based L Casella & Company stamped “1899” on the circular brass base of the sunshine recorder, little did they know that the uniquely designed instrument would go on to serve the India ...

The Aritmometer was the first device capable of performing mathematical calculations automatically. It was invented in 1623 by the German mathematician and philosopher Wilhelm Schickard. However, ...

Form is temporary, function is permanent. The most important inventions are the ones that relate to the human condition, and they crop up over and over again. Below, Houston shares five key insights ...