Research Vessels. Корабли науки. Teaduslaevad - 5.

Non-magnetic ship "Zarya" (The Sunrise).
Немагнитное судно "Заря"
Mittemagnetiline uurimislaev "Zarja" (Koit).

1960.

Алтайский СНХ ф-ка Бийская.
Altai tikuvabrik Biiskis.

* "Zarya" was a sailing-motor schooner built in 1952 in Finland, and since 1953 used by the USSR Academy of Sciences to study Earth's magnetic field. - Wikipedia.