U9MF 1936 Asiatic Russia

Operator: A. Blohincev from Sverdlovsk
39RB / RK-31 (SWL) 1928-1929 in Ulianovsk
eu4AF
UA9CL after WW II in Sverdlovsk

From the estate of G5JO
Courtesy of G3NDC
Info courtesy of UY5XE