Estonian kroon 4 days after the founding of the Estonian SSR, the last Estonian pre-WW II coin, the new 1 sent (date 1939), was issued. In 1927, before the kroon was officially introduced, 100 marka banknotes circulated with an "ÜKS KROON" (1 kroon) overprint. Eesti Pank introduced 10 krooni notes in 1928, followed by 5 and 50 krooni in 1929, 20 krooni in 1932 and 100 krooni in 1935. The kroon was reintroduced as Estonia's currency on 20 June 1992, replacing the Soviet ruble at a rate of 1 kroon = 10 rubles. (Each person was able to change a maximum of
De Kroon, Arnhem spur wheel", which has 80 teeth. This drives three pairs of millstones via "lantern pinion stone nuts", which have 2632 staves each, apart from that driving the pearl barley stones, which has 24 staves. The millstones are a pair diameter Cullen stones, a pair of diameter Bentheimer stones, and one pair of French Burr stones. References for above:- "De Kroon" is open Fridays 13:30-16:00 and Saturdays 09:00-12:00, or by appointment. Windmills in Arnhem Windmills in the Netherlands Open Air Museum De Kroon, Arnhem De Kroon () or the Klarendalse Molen is a tower mill in Arnhem, Gelderland, Netherlands which was