This is a section of class ЭР2 or ER2 (type two Riga built electric multiple- unit or EMU). Trains of that class were built (compiled) at the Riga Wagon Works (RVR) from 1962 through 1984. EMUs of this class are still being built today in Russia
The steam locomotive class 52 no. 036 was built at “Henschel & Sohn GmbH” works in Kassel, Germany in 1942. Builders number - 26954. In 1947 it was incorporated into the USSR Ministry of Communication stock and adapted to 1524 mm track.