An Enigmatic Device from Denmark
Discovery of a very rare surveying instrument in Denmark.
Herbert Bruderer
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How Do You Calculate on the Abacus?
Considering the use of one of the most long-lived calculating devices.
Tracking Down a Seminal Work on Computer Construction – in Russian
A Russian edition of Rutishauser's standard work on computer construction.
Discovery: User Manual of the Oldest Surviving Computer in the World
A rare find: the user manual of the oldest surviving computer in the world, the Zuse Z4 relay machine (1945).
Preparation for Building the First Swiss Digital Computer (Ermeth)
Eduard Stiefel's study trip to the U.S. in 1948/1949.
Automatic Translators are Not Really Capable of Learning
One does not get the impression the Google Translate and DeepL translation programs are self-learning and have made real progress.
The World’s Largest Commercial Cylindrical Slide Rule has a Scale Length of 24m
The world's largest mass-produced cylindrical slide rules come from Loga-Calculator AG in Zurich/Uster, Switzerland.
Would There Be Computers Without Easter?
Finding roots of computing in the computation of Easter.
The discovery of this calculating machine is so significant that part of the history of ancient technology must be rewritten.
Pantographs have been widely used for centuries; for example, in surveying and embroidery. With these devices, drawings can be enlarged and reduced.
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