Lennauchfilm

Background
Founded in February 11, 1933 as Tekhfilm and in 1936 as Lentekhfilm, Lennauchfilm (shortened for Leningradskaya Studiya Nauchno-populyarnykh i Kinofilmov ) was a educational and documentary film studio based in St. Petersburg, Russia. It produces educational and documentary films of the Soviet Union which is compared to Centre of National Film. It was closed and defunct in 2015 and currently archived those titles on net-film.ru.

(Mid 1966?-2011)
Early variants=

Logo: On a dark space background where we see a moon in the center, we see a brass lamp with fire that makes it into a torch. Below the torch is "Times New Roman" in Russian, and in yellow.

Variants:
 * Sometimes, the logo would be in monochrome colors.
 * The early variant used until 1978 has the company name in a different font.
 * On  В барабан не бью без толку , the logo is smaller.
 * Boxed variants exist on  Географическая Оболочка  and  ДЕНЬ СОВЕТСКОЙ ШКОЛЫ .
 * On От Москвы до самых до окраин and Взрыв конструирует молекулы, the background is colored blue.

Technique: Live-action.

Music/Sounds: None or the opening theme.

Availability: Seen on all titles of Lennauchfilm from this period. One of its last appearances was on Структура вакуума and В барабан не бью без толку.