The first Soviet serial vertical gyro Shar was developed based on the gyroscope with gas-supported steel spherical rotor.
Gyrocompasses and vertical gyros started to be supplied on warships.
Fire control systems for shipborne main caliber artillery were supplied to the Navy, on the battleships "Marat", "Paris Commune", "October Revolution", the cruiser "Red Caucasus" and the destroyer "Kalinin”.
World War II.
The Plant launched the production for the front and provided operation and repair of the equipment previously supplied to the ships.
Part of the plant was evacuated to Moscow where the Special Design Bureau of Shipbuilding Industry was created (chief engineer S. F. Farmakovskiy), and part was moved to Sverdlovsk where the Precision Mechanics Plant was organized.
The team of the Naval Department specialists, headed by N. N. Ostryakov, were awarded the Stalin Prize (later called the State Prize) for developing the first Soviet vertical gyro Shar.
The first Soviet serial small gyrocompass Girya was created for use on naval and commercial ships.
