No. 1 (1960) - No. 5 (1962). Issued in ca. 8 copies.
Start year, end year, 5 issues (SAMI 51) (SAML 437).
Issued in ca. 8 copies (SAML 437).
Participants (SAMI 50) (SAML 437).
The edition was done by students from the evening department (vechernoe otdelenie) of philology of LGU (Leningradskii Gosudarstvennyi Universitet) (SAML 437).
The name of the perdiodical was inspired by the brand of typewriter used for its production. The name also stood for "optimistic masters" (optimisticheskie mastera) (SAML 437).