1 янв 1228 г. - inventions 1200 - 1500 1240 - first mirror 1280 - glasses 1300 - Abacus (calculating tool) from china 1350 - Culverin (first gun) 1400 - Arquebus (long gun) 1450 - anemometer (wind speed) 1480 - Harpsichord like piano 1500- tooth brush

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history of the world and great people 5000 yers!!!

ByValentin M.

9 апр 2021

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