Inaugurating the exhibition, Secretary and Curator of the Victoria Memorial Hall Dr Jayanta Sengupta said the exhibition contained various artefacts which played important roles in the history, an official release said.
These artefacts included folding typewriter, electric typewriter, Smith Premier type writer, surveyors transit theodolite, rotary duplicating machine, musical box, gramophone, letter box, mechanical calculator, audio projector, 16 mm movie projector, radio, telephone magneto, Hypex Horn Loud speaker and micro computer.
Shrikant Pathak, Director, Central Research Training Laboratory, said, as the theme of International Museum Day, 2018 is "Hyper Connected Museums: New Approaches, New Publics", measures are taken to introduce indigenously developed device which have been named RAWAN (Remotely Accessible Wi-Fi Based Audio Narator) in this exhibition.
The exhibition will continue till May 24.
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