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Virtual Exhibitions

 

MECHANICAL CALCULATING MACHINE OF JEWNO JACOBSON

Jacobson’s calculating machine is the unique and the one monument of the 18th century computing technique in the museums of Russia.

Mechanical summing 9-digit machine was made in the town of Nesvizh Minsk Voivodeship within Polish-Lithuanian Commonwealth (now – town of Nesvizh, Minsk Region of Byelorussia) not later than 1770. Author of the machine – Jewno Jacobson, clockmaker and mechanic at the court of Mikhail Kazimir Radzivill nicknamed “Rybonka”.

   

 

 

MACEDONIAN ETHNOGRAPHIC COLLECTION

The exhibition highlights ethnographic collection taken up within Macedonian historical and ethnographic expedition of the Imperial Academy of Sciences in 1900 and headed by Nikodim Pavlovich Kondakov - historian of Byzantine and Old Russian art, academician of Petersburg Academy of Sciences.