Russian Abacus (14 St. 39 Min, 21 Nov 2018 Jahr – 14 St. 49 Min, 1 Jul 2019 Jahr)
Beschreibung:
The Russian abacus is also called a schoty. It came into use in the 1600s and little is known about how it came to be. It was specifically designed for counting rubles and kopeks.
Thee design uses a set of framed rods and a series of beads that are moved back and forth across the rods to conduct the count.
Zugefügt zum Band der Zeit:
Datum:
14 St. 39 Min, 21 Nov 2018 Jahr
14 St. 49 Min, 1 Jul 2019 Jahr
~ 7 months