Installation
The first Kremlin star was installed on top of the Spasskaya Tower on October 25, 1935. During the next week, another three stars were installed on the Troitskaya, Nikolskaya and Borovitskaya towers. These stars replaced the huge copper two-headed eagles, installed in pre-revolutionary times, which were a part of the Coat of Arms of Imperial Russia.
The body of each star was made of stainless steel and covered with copper plating. The Kremlin stars were decorated with a hammer and sickle on both sides, made of semi-precious stones from the Ural mountains. The installation of the first Kremlin stars did not meet the designer's expectations since the surfaces of the semi-precious stones lost their luster and required re-faceting. In 1937, these stars were replaced with new ones made of ruby glass, in time for the 20th anniversary of the October Revolution. One more star was also installed on the Vodovzvodnaya tower.
Read more about this topic: Kremlin Stars