n.21 / March 23, 2016
Focus

Galileo//thek@ has been released

Galileo//thek@ is an integrated archive of Galilean resources easy to consult thanks to a refined search system. It could be described as a thematic Digital Library formed of texts, images, documents, and bibliographical records integrated with one another, plus chronological indexes of names and subjects, and lexical tools.

Never Before Seen: Instruments from Warehouse

Adding Machine
This mechanical calculator is a simple adding machine, that is, an arithmetic calculator which can be used to only perform additions....

Book Reviews on the History of Science
Looking Back (In the Year 1716)

Leonardo Ximenes (1716-1786)
The Jesuit Leonardo Ximenes was one of the major scientific personalities of eighteenth-century Tuscany under the Lorraines. He wrote books on astronomy, hydraulics, geometry, physics, and mechanics...

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