Electric depot "Krasnaya Presnya" of the Moscow metro named after V.I. Lenin

March 1980. USSR. Moscow. Senior engineer of the noise and vibration laboratory of the All-Russian Research Institute of Railway Hygiene E. N. Mamayev and a first-class driver (from left to right) during measurements in the control cabin of a metro train at the Krasnaya Presnya depot of the V. I. Lenin Moscow Metro. The exact date of the photo is unknown. Viktor Budan/TASS