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History of Communication
Italian version
Exhibits Science on Stage Europe In the schools IM 2016
The book Teaching aids Start set: what to buy
Analog and digital The beginning The non-decimal systems
The calculators The slide rules The analog calculator
Aeronautical slide rules Rally computers The Speed-Time Scale Underwater slide rules The amazing Astacalcolo Slide rule photoshow
The Sneaky Calculator Virtual slide rule Virtual E6-B Virtual Consul Monkey Virtual HP-35
Abaques and nomograms Volvelles and slide charts
Poggi's calculator Baudot's code
Credits & links
Facebook Calcolatoria My Facebook
My Triumph TR4 web Patrizia Picchietti
Italian version
