Sergei Eisenstein (director), 1925, The factury whistle blows as a call to stop work and strike (Film still from Eisenstein "Strike", 22:44), Film frame, This work is out of copyright, LL/57856
Sergei Eisenstein (director) 1925 The factury whistle blows as a call to stop work and strike (Film still from Eisenstein "Strike", 22:44)