Machine for making multiple copies of text written on special film. Manual device with which we reproduce copies of a text. It was also a slow machine with low resolution (small printing house). Today, we would compare it to the laser printer of our time.
Newton performed an experiment that proved that white light is a mixture of the 7 colors of Iris. In our museum there is the possibility of using the instrument for display to visitors.
There was always a wooden abacus in the small classes’ classrooms. With the abacus, as it used to be called, the student learned the basic mathematical operations, such as addition, subtraction, and multiplication.
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